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🎯All the achievements that can't be miss. This achievements directly related to progressing the story. If you can't get these achievements i can't help you.
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💡Escape the apartment block raid.

• Chapter 01: Point Insertion - After you get to the roof while escaping from the metro cops, you need to enter a building through a window. You should unlock it as soon as you enter the building.

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💡Get the crowbar.

• Chapter 02: A Red Letter Day - After accidently transported from Dr.Kleiner's Lab, Barney will drop you down the crowbar from the up.

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💡Get the Airboat.

• Chapter 03: Route Kanal - You will run into a Resistance Fighter that has gotten an airboat ready for you once you get in it and take off you'll get the achievement.

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💡Get the Airboat's mounted gun.

• Chapter 04: Water Hazard - You will come across a resistance camp. Vortigaunt will mod the airboat with a turret which will unlock this achievement.

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💡Destroy the Hunter-Chopper.

• Chapter 04: Water Hazard - You have to destroy the hunter chopper later in this chapter. you'll just need to shoot it with the turret modded to airboat.

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💡Get the Gravity Gun in Black Mesa East.

• Chapter 05: Black Mesa East - You will need to get the gravity gun in this Chapter. After arriving here you will go to Eli's Junkyard and take the gravity gun from Alex.

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💡Escort Grigori safely through the church cemetery.

• Chapter 06: We Don't Go to Ravenholm... - Father Grigori will meet up with you and you'll start going through a cemetery filled with zombies and headcrabs. Once you escort him safely through you'll receive this achievement.

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💡Defend Little Odessa from the Gunship attack.

• Chapter 07: Highway 17 - You'll need to defend Little Odessa from the gunship on this Chapter

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💡Survive the second turret standoff in Nova Prospekt.

• Chapter 09a: Entanglement - Survive the second turret standoff in Nove Prospekt during this chapter. You'll have defend Alex and the Teleporter with a few turrets at your disposal. once you get through the fight and teleport away you'll get the achievement.

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💡Gain command of a squad of rebels in the uprising.

• Chapter 10: Anticitizen One - You'll need to gain command of a squad of rebels during the uprising. The first you'll get a squad of rebels is at the beginning of this chapter.

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💡Get through the toxic tunnel under City 17 in Half-Life 2.

• Chapter 10: Anticitizen One - You'll need to gain command of a squad of rebels during the uprising. The first you'll get a squad of rebels is at the beginning of this chapter.

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💡Survive the generator plaza standoff in the chapter Anticitizen One.

• Chapter 10: Anticitizen One - Requires you to survive the rooftop strider battle. This takes place in the City 17 plaza battle, where you fight multiple Striders with the RPG.

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💡Shut down the suppression device by disabling its generators.

• Chapter 11: "Follow Freeman!" - Requires you to shut down the suppression device in Nova Prospekt when you and your squad of Antlions attack the prison.

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💡Survive the rooftop Strider battle in the ruins of City 17.

• Chapter 11: "Follow Freeman!" - You'll need to survive the rooftop strider battle in the ruins of the City 17.

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💡Destroy the Citadel's reactor core.

• Chapter 11: "Follow Freeman!" - You'll have to fight two gunships with energy balls. Shoot energy ball into the large reactor until it is destroyed.

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💡Find all lambda caches in Half-Life 2.


🎯𝐓𝐡𝐢𝐬 𝐀𝐜𝐡𝐢𝐞𝐯𝐞𝐦𝐞𝐧𝐭 𝐫𝐞𝐪𝐮𝐢𝐫𝐞𝐬 𝐲𝐨𝐮 𝐭𝐨 𝐜𝐨𝐥𝐥𝐞𝐜𝐭 𝐚𝐥𝐥 𝟒𝟓 𝐥𝐚𝐦𝐛𝐝𝐚 𝐜𝐚𝐜𝐡𝐞𝐬 𝐢𝐧 𝐡𝐚𝐥𝐟 𝐥𝐢𝐟𝐞 𝟐. 𝐈'𝐦 𝐠𝐨𝐧𝐧𝐚 𝐬𝐡𝐨𝐰 𝐲𝐨𝐮 𝐭𝐡𝐞 𝐥𝐨𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐨𝐟 𝐚𝐥𝐥 𝐥𝐚𝐦𝐛𝐝𝐚 𝐜𝐚𝐜𝐡𝐞𝐬.

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• 📍Chapter 02: A Red Letter Day
  🎯Next to the vending machine door. There is no cache just a sign of lambda. It should trigger when the door opens. Make sure to pop up the achievement notification.

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• 📍Chapter 03: Route Kanal
  🎯Once you jump onto the moving train and then jump over to the other side of the tracks you'll go into a boarded up building and you'll see the icon on one of the walls.

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• 📍Chapter 03: Route Kanal
  🎯This one is impossible to miss. Once you get to the hole in the storage container that you have to crawl through you'll have to break open the cache in order to proceed.

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• 📍Chapter 03: Route Kanal
  🎯After getting through the first mounted machine gun area and proceeding to the tunnel opposite of it you'll turn to the left and jump over to a red car to access the cache.

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• 📍Chapter 03: Route Kanal
  🎯After you are shot at by a helicopter for the first time in the game you'll need to go through a blue door to take cover. Under the floor you'll see the symbol.

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• 📍Chapter 03: Route Kanal
  🎯While crossing the large orange pipe you'll see the lambda icon off to the right. Break the planks and drop down to find the cache.

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• 📍Chapter 03: Route Kanal
  🎯Once you get to a curved section of the sewer area there will be another section off to the left with a ladder. Up above there are planks that will lead you to this next cache.

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• 📍Chapter 03: Route Kanal
  🎯Once you get to the area with radioactive waste you'll need to go to the left side and walk along the pipes over to the right to find the last cache on this level.

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• 📍Chapter 04: Water Hazard -
  🎯Shortly after starting this chapter you'll see a lambda symbol to your right. Climb up the ladder to find this cache.

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• 📍Chapter 04: Water Hazard
  🎯Once you leave that tunnel you'll see a red barn straight ahead climb up inside all the way to the top, and dislodge the barrel to drop the crate containing the cache.

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• 📍Chapter 04: Water Hazard
  🎯Pretty soon after this a gunship will drop off a few troops next to a circular grate with a lambda symbol. Inside of that pipe is another cache.

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• 📍Chapter 04: Water Hazard
  🎯Once you start taking rocket fire from a couple of armored cars you'll need to go right up to the area underneath the second one. In here you'll see a hole off to the right side that you can get into, and then you can go grab the cache.

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• 📍Chapter 04: Water Hazard
  🎯You'll see the lambda marking this cache as you're continuing through the area. Take out the bricks being used as a counterweight to lower the cache down and grab it.

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• 📍Chapter 04: Water Hazard
  🎯Once you get to the part where the helicopter is dropping mines on you, you'll come across an opening on the left. Go inside there to find this lambda cache.

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• 📍Chapter 04: Water Hazard
  🎯You'll eventually go through some half submerged pipe segments, and then into an opening with a lambda symbol up on the left side. Break the supports under that platform to drop the cache.

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• 📍Chapter 04: Water Hazard
  🎯Further through you'll come to an area with slanted sides on the left. You'll see an opening with some green graffiti on the wall. Go up there to find the next cache.

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• 📍Chapter 04: Water Hazard
  🎯Once you get up to a pair of bridges go to the left just before them. Up there is another cache in the dark area.

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• 📍Chapter 04: Water Hazard
  🎯After you get the boat upgraded as you get to this fork in the water you'll need to take the right path, and back here there's a small shelter where the last cache for this level is.

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• Chapter 05: Black Mesa East - There's only one lambda cache in this chapter. Near the beginning there will be a symbol marking a ladder you have to climb onto. When getting near it this one should trigger.

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• Chapter 06: "We Don't Go To Ravenholm..." - Shortly after meeting father Grigori, there will be a building with two large green generators climb up onto the left one, and there's an air duct with a cache inside.

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• Chapter 06: "We Don't Go To Ravenholm..." - Later on, you'll see two car traps. The further one is next to an area marked by a lambda symbol. You'll need to activate the trap, climb onto the car, and then jump behind the fence where the symbol is located to find this cache.

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• Chapter 06: "We Don't Go To Ravenholm..." - Shortly after that, you'll see father Grigory again before having to drop down into an alley. At the end you'll have to climb up a ladder and go across a wooden plank that leads to a hole in a tin roof. In here you'll find this next cache.

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• Chapter 06: "We Don't Go To Ravenholm..." - Much further into this chapter, after you get through the mines, you'll need to turn around and climb up these boxes. Right above the exit of the caves is the last cache for this chapter.

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• Chapter 07: Highway 17 - After the buggy is dropped down, you'll need to proceed up the hill. After you jump over the broken bridge, you'll go around the corner, and there will be a red shack with a lambda symbol on it. Inside of here, is the first cache for this chapter.

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• Chapter 07: Highway 17 - Near the first thumper there's a house with a cellar door to the right of it. Go into the seller to find this cache by stacking things to jump up into this room.

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• Chapter 07: Highway 17 - Later on after you defeat the gunship at NLO, you'll have to fight a second gunship. Once you get through this area you'll see a blue van which has another cache.

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• Chapter 07: Highway 17 - After passing a combine force field you'll see a fenced off area on the left with a large gas tank inside. Use a barrel to climb over the broken fence and the cache is inside of that area.

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• Chapter 07: Highway 17 - Shortly after the last one you'll see some large rock formations to your left, just before some buildings where drop ships are taking off of. By the left of that rock formation there's a small fenced in area where the last cache for this chapter is.

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• Chapter 08: Sandtraps - Proceed until you come up to a gate blocking your path. In order to open the gate, you'll have to use some batteries in a house to the right of this. Up on a ledge under the roof there's a combine rifle charge that you'll need to use your gravity gun to grab it to trigger this cache.

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• Chapter 08: Sandtraps - Once you get to the large sand area where you have to build bridges to move across, there's a metal building in the middle. You'll need to climb up onto the roof, and then up onto the ledge above it. This is where the other cache for this area is located.

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• Chapter 09: Nova Prospekt - Shortly into this chapter, you'll go into a room with three large pillars, and two sentry turrets above you. One of the double doors has a lambda symbol next to it, and a small hole which contains the first cache on this level.

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• Chapter 09: Nova Prospekt - After you come across a dead vortigaunt in a chair you'll need to go upstairs. You'll go past the laser trip wire and straight ahead is a door where you'll see a lambda symbol. Next to that you can slide the cell door open and grab the cache.

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• Chapter 09: Nova Prospekt - The last cache in this chapter is on the right side of the big laundry room. You'll go down a hallway and into a room where the cache is located as well as a poison zombie.

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• Chapter 09a: Entanglement - There was only one lambda cache in this chapter right after you and Alex split up. She'll open a gate for you and you'll see a vending machine on your left side. You'll need to use the gravity gun to pull the items down from on top of it to activate this cache.

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• Chapter 10: Anticitizen One - The first cache in this chapter is right after you come outside after dropping down the elevator. You'll see two green dumpsters and a large blue one on your right. Stack boxes on the green dumpsters to get on top of the blue one and jump over to the ledge by the fence to find this cache.

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• Chapter 10: Anticitizen One - After encountering hoppers you'll eventually get to an area where a combine soldier is shooting down from a window and below him is a small red shack with a lambda next to it. There's a small metal sheet here which you can move to reveal this cache.

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• Chapter 10: Anticitizen One - After going through some buildings you'll get to an underground area with sentry turrets near a hole in the wall once you go through the hole the path will split go up the right side with stairs leading up to use your gravity gun to open the crates by the lambda symbol.

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• Chapter 10: Anticitizen One - You'll continue going through some underground areas and eventually you'll have to go around a large wall of rubble. Once past that turn around and you'll see a small shelter with a campfire. Here you'll find the next cache.

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• Chapter 10: Anticitizen One - Later on a resistance fighter will drop a bridge for you to run across. Shortly after that you'll have to drop a bridge yourself. Right before that there's a lambda symbol on the wall and a cache below that.

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• Chapter 10: Anticitizen One - As you go through a building with combine soldiers fighting zombies you'll eventually get to one of the lower levels where you'll see a lambda symbol through the doorway. Inside of this room you'll need to use your gravity gun to pull the cash items to you through a fence.

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• Chapter 10: Anticitizen One - After defending Alex at the generator, you'll go underground, then you'll get to a room with combine soldiers above and zombies below down at the bottom. There's a small ledge next to a ladder where this next cache is located.

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• Chapter 10: Anticitizen One - Eventually you'll come to an area in a sewer where there is a wall splitting two pathways. On one side there's a small hole in the wall marked with a lambda symbol. You'll need to use the gravity gun to pull the items from inside towards you.

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• Chapter 10: Anticitizen One - Shortly after, and off to the left there's a passageway with pipe platforms to jump across leading towards a lambda symbol at the end with another cache.

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• Chapter 10: Anticitizen One - The last cache in this chapter is after you go up the large lift. Keep fighting your way up and before you drop down to the platform that you exit from, you'll need to walk around the large red room, and back in the corner to see this cache.

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• Chapter 11: Follow Freeman - The last lambda cache is pretty far into this chapter. After you fight a good amount of striders you'll go under an overpass. As you're moving through, a strider will break through behind you. You'll run into the opening to the left and continue through. Eventually, you'll go down a stairwell and hop through a hole to an adjacent building. The final cache is here.
  
  As long as you triggered all of the other caches then you should now get the lambda locator achievement.

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💡Destroy six Gunships in Half-Life 2.


🎯This Achievement requires you to destroy six Combine Gunships in Half Life 2. I'll show you the chapters where these appears.

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• 📍Location: Near the end of the chapter
  
• 🎯After reaching the dam where you meet Colonel Odessa Cubbage, you fight your first Gunship using an RPG launcher he provides.

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• 📍Location: Lighthouse cliff battle
  
• 🎯After reaching a Combine-occupied house near the coast, you engage in a battle with both soldiers and a Gunship before escaping through the underground tunnel.

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• 📍Location: Near the Vortigaunt camp
  
• 🎯After you defeat a Combine dropship and soldiers, a Gunship appears and attacks while you use an RPG from the cliffs.

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• 📍Location: Inside the prison facility
  
• 🎯As you fight through Nova Prospekt, a Gunship attacks through the skylights while you navigate a large room. You must take cover and shoot it down.

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• 📍Location: Train yard battle
  
• 🎯Right before escaping Nova Prospekt, a Gunship appears over the train station yard, and you must destroy it before you leave with Alyx.

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• 📍Location: Overwatch Nexus courtyard
  
• 🎯While fighting inside the Combine Overwatch Nexus, a Gunship arrives and hovers over the large courtyard. You need to destroy it to progress.

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• 📍Location: Rooftop battle
  
• 🎯During the Strider fight in City 17, a Gunship appears and engages you in an intense rooftop battle. This is one of the final Gunship fights before reaching the Citadel.

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💡Hit the trashcan cop with the can.←→💡Put the can in the trash.


🎯At the beginning of the game on Chapter: Point Insertion a cop will knock over a soda can and wanting you to pick it up, you can put the soda can into the trash bin or throw back to face of cop.
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💡Break the mini teleporter in Kleiner's lab.


🎯For this achievement you'll need to break the mini teleporter in Kleiner's Lab on Chapter: A Red Letter Day. If you keep teleporting the cactus back and forth eventually the teleporter will broke down.
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💡Kill five barnacles with one explosive barrel.


🎯You can achieve this on the Chapter: Route Kanal. Once you get the slime tunnel where there are large number of barnacle grab an explosive barrel and slide it down to barnacles for them to chatch and swallow it. The barrel will explode and hopefully kill at least five or more barnacles.
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💡Discover the hidden singing Vortigaunt cave in chapter Water Hazard.


🎯Right after destroy the hunter chopper, open the gate and go straight ahead to a couple of large drain pipes, park the airboat under the left one and climb up into the pipe. Be careful because its radioactive in here and you'll get damage through all the way. Turn left and you'll come up to a camp with the vortigaunt.
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💡Find the HEV Suit charger faceplate in Eli's scrapyard.


🎯There is a balcony-like place to climb on the upper right side of where the Alyx pick up the Gravity Gun and give it to you. Climb up with the boxes around and use the Gravity Gun to get the faceplate.
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💡Use Dog's ball to make a basket in the scrapyard.


🎯In Eli's Scrapyard, once you play catch with Dog you can start trying to throw the ball into the basketball hoop. Save and Load to make it easier.
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💡Play through Ravenholm using only the Gravity Gun.


🎯You'll need to play through entire chapter of We Don't Go To Ravenholm while only using the gravity gun. If you accidently switch to a gun or something else as long as you do not fire, throw anything or swing your crowbar you'll still be able to get the achievement. It's advisable to try to take a circular blade or some item with you will help a lot to have some type of a weapon to use with the gravity gun.
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💡Kill 3 enemies using the crane on Chapter Highway 17.


🎯Once you use the crane and the three combine soldiers run out, just pick things up and drop them on top of them until they're all dead.
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💡Pin a soldier to the billboard in the chapter Highway 17.


🎯Before coming up to the area with the combine at the billboard there is a hill with a crossbow on top. You can grab it here and then shoot the soldier to pin them to the billboard.
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💡Cross the Antlion beach in the chapter Sandtraps without touching the sand.


🎯to get this achievement take any large flat items with you to use as platforms and birdge while you go through. Save before the start of route you will take because even if you think you're not stepping on sand, the game can think you're stepping on it and activate the antlions.
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💡Use the Antlions to kill 50 enemies.


🎯After killing the first large antlion at the end of sand traps you'll be given the ability to use ferropods to control antlions. You'll then go up to and into Nova Prospekt and use the pods to kill the soldiers. as long as you try to do that as much as possible you'll eventually get the achievement
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💡Kill an enemy with a toilet.


🎯There are multiple chapter where this could be done but you basically just need to pick up the toilet and throw it to enemies with gravity gun.
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• 📍Route Kanal (Sewers & Resistance Hideouts) -
  Near the early sewer sections, some abandoned rooms have toilets.
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• 📍Ravenholm (Abandoned Buildings) -
  Many of the houses in Ravenholm have old toilets in the bathrooms.
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• 📍Nova Prospekt (Prison Cells) -
  Multiple prison cells in Nova Prospekt have toilets attached to the walls.

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💡Kill five enemies with a Manhack.


🎯There are multiple chapter where this could be done but you basically just need to pick up the manhack and throw it to enemies or run up to them with gravity gun.

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• 📍Chapter: Route Kanal (First encounter in the underground tunnels).
  
  
• 📍Chapter: Anticitizen One (City 17 uprising).

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💡Kill all of the snipers in City 17.


🎯They are sitting in blacked out windows on the Chapter Follow Freeman. You can use Rockets or grenades to get this done.
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💡Disintegrate 15 soldiers by throwing them into a Combine ball field.


🎯Once on the Chapter Benefactors, your gravity gun will be upgraded and you can start picking up enemies and putting them into these large energy ball fields. Do this as much as you can and you'll eventually get the achievement.
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💡Make it to the bottom of the Citadel's main elevator shaft in one piece.

• Chapter 1: Undue Alorm - At the end of the chapter where you fight with elite soldiers after turning on the bridges with the gravity gun.

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💡Contain the Citadel core.

• Chapter 2: Direct Intervention - Earned after successfully re-engaging the reactor's containment system.

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💡Survive long enough to get on the parking garage elevator.

• Chapter 3: Lowlife - Story-related. Also a good time to get Zombie-que.

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💡Destroy the gunship in the hospital attic.

• Chapter 4: Urban Flight - Story-related.

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💡Escape City 17 with Alyx.

• Chapter 4: Urban Flight - Story-related. Earned after getting on the train.

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💡Finish the game firing exactly one bullet. Grenade, crowbar, rocket, and Gravity Gun kills are okay!

🎯There is a part during the third Chapter Lowlife where you'll have to shoot a lock and that is the only time you'll be able to shoot if you're going for this achievement. Shoot with the pistol because shotgun can fire multiple bullets.
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💡Kill an Elite Soldier with his own Energy Ball.


🎯Once your gravity gun gets upgraded you will shortly come up to the part where you have to turn on bridges. Once you get across the second bridge you'll start having combine elite soldiers coming up. The Elite Soldiers are wearing white dress. They will occasionally shoot energy balls at you. You'll need to catch it and throw back to specific soldier.
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💡Contain the Citadel core without killing any stalkers.


🎯You wont get this achievement until the end of the chapter Direct Intervention. Keep in mind that to not kill any of the stalkers as you go through.
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💡Kill five enemies with the same Energy Ball.


🎯The easiest place to do this is right after you get past the two stalkers and go into a hallway where combine soldiers will be running down to attack you. Wait for them to fill up that hallway grab an energy ball and shoot it down into the hall. If you don't get the achievement, reload and try again.
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💡Use the cars to squash 15 antlions in Episode One.


🎯On Chapter Lowlife you'll come up to a gate that opens by turning a wheel. On the other side of this you'll find an antlion hole and a green car. The antlions will infinitely spawn from this hole until you drop a car on top of it to block it. Just grind this one out until the achievement pops up.
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💡Use flares to light 15 Zombies on fire.


🎯When, Gordon picks up a flare, it ignites. Then, he can run up to any zombie and hold the flare against it, causing it to ignite. Gordon may also use the Gravity Gun to pick up and throw a flare. Each flare should be good for at least 2 zombies. There are three locations with flares in Episode One: Right after the train derailment and before the elevator in Lowlife, and in the hospital in Urban Flight.
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💡Help Alyx snipe 30 enemies in Episode One.


🎯When Alyx grabs a sniper rifle on chapter Urban Flight, Gordon has to run around and draw enemies out into her view, letting her kill them instead of Gordon. He can use the Gravity Gun to remove obstacles so she can get a clearer shot as well.
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💡Don't let any citizens die when escorting them to the escape train.


🎯Begining on chapter Exit 17, you'll want to fill up on rocket ammo so that you can clear enemies out as you escort the group of survivors. On your way back each time make sure to clear out the first outside area then pick up the next group, sprint to the train station and hurry towards the end while using your rockets to clear out any enemies that spawn. Keep an eye on your squad indicators.
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💡If you are reading this achievement, Gabe Newell has successfully launched Gnome Chompski into space. If you did not also receive the achievement 'Manufacturing Ascent', Newell has abandoned his plans to shoot Noam Chomsky into space.

• Chapter: N/A - Starting the game will unlock it.

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💡Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.

• Chapter 2: This Vortal Coil - You will get this for successfully defending Alyx and Vortigaunt from Antlion Waves.

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💡Survive the Hunter ambush with Alyx.

• Chapter 4: Riding Shotgun - During your first main stop after getting the car you'll be able to get this achievement. You also have a good opportunity to get the Payback Achievement.

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💡Destroy the Combine Autogun in the junkyard.

• Chapter 5: Under the Radar - For this you'll basically just sneak your way up to the building where the autogun is, drop in through the roof and toss grenade in the control panel to blow it up.

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💡Survive the ambush at White Forest Inn.

• Chapter 5: Under the Radar - You'll run into a barrier fight off some combine and then run back up to take down the power in order to proceed.

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💡Secure the launch doors on Missile Silo 2.

• Chapter 6: Our Mutual Fiend - When you have reached the white forest base, check the silo doors on silo 2. The combine attack around half way through this excursion an you now have to rush to sucure the silo doors and prevent any more combine from flooding in. Once you have gotten to the top of missile silo 2 and activated the silo doors you'll get the achievement.

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💡Save the missile silo from the Combine offensive.

• Chapter 6: Our Mutual Fiend - Unlocked automatically when progressing through the "Our Mutual Fiend" chapter.

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💡Steal a Zombine's grenade.


🎯For this all you have to do is use your gravity gun to catch a live grenade from a combine zombie. You'll have multiple areas throughout the game where you could do this.
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💡Kill an acid Antlion Worker.


🎯These are the light green glowing antlions. Shoots acid at you. You should get thşs one naturally as you start going through the antlion caves.
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💡Kill an enemy by planting a Hopper Mine.


🎯Once you get to the vorticoil chapter you'll have to defend Alex and a vortigaunt from waves of Antlions. Here There will be crates that full of mines. Plant throughout the mine shafts to kill Antlions.
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💡Find and break every web cache.


🎯You must break open all 9 Antlion Grub webcaches. The first is found on To the White Forest; the rest are found on This Vortal Coil.
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In Underwater
In underwater where you first enter a large open cave.
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After Defending waves of antlions
After Defending Alyx and Vortigaunt you'll go into a tunnel where leads you to second webcache.
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After fighting a bunch of antlions with the vortigaunt companiont
After fighting a bunch of antlions with the vortigaunt companion, you will encounter a third webcache.
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After fighting a bunch of antlions
After fighting a bunch of antlions in a open area, you will get into the tunnel and on top you will see fourth webcache.
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Going through the tunnel
While going through the tunnel you will encounter fifth webcache on top. A bomb will drop onto you so be careful.
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After escaping from antlion guardian
You'll come across a large open area. Here there will be 4 webcaches. Two of them are on the top.

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💡Gordon must defeat both Antlion Guards outside the White Forest.


🎯You can use the explosive barrels to kill them.
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💡Kill 30 enemies with thrown physics objects.


🎯In chapter Under The Road there is an area with zombies, so this is a great place to grind this one out. Save and Load if you need.
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💡Run over 20 enemies with the car.


🎯For this one you'll have a good amount of time to rack up the kills so just try to get them as you can and you should eventually get the achievement. Save and Load if you need.
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💡Kill a Hunter with its own flechettes.


🎯During your first main stop after getting the car, a group of hunter will attack. Pick up a tire with your gravity gun allow them to shoot it and launch it back at them. May require more than one attempt. Save and Load if you need.
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💡Kill a Combine soldier with his own grenade.


🎯You can get this on multiple areas throughout the game. Basically just once one of them throw a grenade at you, pick it up with the gravity gun and throw it back at them or run at them with the grenade.
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💡Defeat the chopper in Episode Two without any misses.


🎯You must kill the Hunter-Chopper by using the Gravity Gun to launch its bombs back at it, if you do not miss any shots then the achievement will unlock. It is recommended that you save the game after each successful hit.
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💡Find every radar cache in chapter Under The Radar.


🎯You'll have a radar put on your car that will beep whenever you get close to a cache.
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♦ First one will be inside of a van with a car wedge up on it shortly after you get the car back from the mechanic.
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♦ After passing a water tower on the left hand side you will come to a building with a van that has run into the side of a building. go into the bluiding and there will be a legde you can not get to pull the big piece of metal leaving on it onto the floor then throw a grende under it the launch you up to the legde to flip switch.(you should also recieve the "Gordon Propelled Rocket" achievement)
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♦ Drive straight across the road into the boxcar yard and you will see a shed missing part of its roof in the back. go inside and you will see a saw blade in the floor pull it up to uncover the cashe.
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♦ After going through the tunnel and going up a curve hill there will be a tree log to your left. go behind it and there will be a small cave. go inside and there's your 3th cashe.

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♦ Afer fighting off the combine and powering down the fence to free your car. you will jump off a ramp and drive down another curve hill it will be on your right side behind some rocks. there will be an arrow pointing up. there are some rocks there to break the rope that has the cashe hanging on the tree. (You can use the secondary fire on your smg to get it down)

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💡Unlock the rocket launcher lambda cache in chapter Under The Radar.


🎯The second radar cache that you encounter is protected by a brief puzzle that requires you to use a grenade to fling yourself onto a previously unreachable platform. Pull metal panel down throw a grenade underneath it stand on the panel and wait for the grenade blows up. Doing so successfully will unlock the achievement.
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💡Beat Dog in a race to White Forest.


🎯Last stop before reach White Forest you will meet up with Dog. Alex will challenge him to a race and you'll have to win that race.
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💡Save all buildings outside the missile silo from destruction.


🎯You can't have a single building destroyed during this battle
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♦You'll need to make sure you get a good handle on the map. At least where the cranes lumber mill and water are as those are going to be the main areas of concern.
♦As you go through taking down the Striders you'll have to be very quickly so that they don't have time to destroy any of the buildings.

♦You'll need to launch one of the Magnuson devices onto the body of the Strider and shoot it to blow it up. Before you can actually pull that off you're gonna need to clean up the hunters that guarding the Strider with first. You can kill Hunters by picking a log from the ground with the gravity gun and launching it onto them.
♦If you try launching a Magnuson Device at a Strider without killing the hunters, they'll shoot it down making you go grab another one to try again. You'll not have time to do that.
♦First one will be slow but the next ones will start to be fast so be careful.
♦I'd recommend making new saves after each Strider kill.
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♦The first Strider will come from the cranes.
♦This one will be a slow one so you honestly don't have to rush it too hard to kill it.


♦After killing this one you'll want to rush over to the sawmill path because the next one will be fast and you'll have a few seconds to kill before it destroys the sawmill.
♦At this point you'll definitely need to start using the car if you haven't already. As soon as you use a Magnuson Device from the back of the car you'll want to load another one onto it.


♦Next you'll have one coming from the Water Tower.
♦This one is another slow one. After this one turn around and go back over to the cranes.


♦Go back over to the cranes to kill another Strider.
♦This one is another slow one. After this one turn around and go to the Sawmill Entrance.


♦3 Hunters will accompanying it so be careful.
♦After this one they'll call in another Strider by the Water Tower but that one is a slow one so we're gonna just ignore it for now because they're also going to immediately call in another Strider over by the Cranes.


♦Rush over to the cranes where you'll see a fast Strider sprinting towards a building so you can take that one out. You really gotta hurry.

♦Once that one taken care of you can go head off to the one that was coming from the Water Tower.


♦Then shortly after you take this one out another fast strider is going to come from the Water Tower Side and make its way down to the right side of the map.
♦You can take Magnuson Device from the warehouse that you're near and meet this one head on since you're already over there.

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Now there are only three fast striders that come through these waves.
Once you make it past this point you've already gotten through the hardest parts.
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♦This one is slow. You'll need to take this one out before make it too far so rush over to it.
♦Then rush back to the Sawmill.


♦This one is on the entrance of Sawmill. While you're working on those two they'll call in another one thats coming from the Water Tower so you'll want to keep a quick pace going through each of these but you'll have some wiggle room since these are all slow Striders.


♦This one is on the entrance of Sawmill.
♦This one is slow.


♦This one is slow and the last one.

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Once you dispatch that one they'll come over the radio and tell you that you did it.
Achievement will pop up.
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💡Send the Garden Gnome into space.


🎯This one needs a another playthrough for as you'll have to play the entire game with carrying the gnome.
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♦ In a small building where Alyx makes first contact with Magnuson.
♦ Underneath a wodden platform near the exit door.
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♦ As you go through the game with the gnome remember to save often and always make sure you know where your little gnome is. He can lost very easily.

♦ Once you get to the antlion caves i recommend setting the gnome down in spots where there is light kill the antlions and then pick him back up and just repeat that over and over.
♦ Don't drop him down in the water because he can be hard to find.
♦ That's all that's needed in these caves. Be careful to keep track of him and bring him with you as you move forward.


♦ You'll get to Vortal Coil where you'll have to defend a vortigaunt as antline waves come down tunnels.

♦ You'll want to set the gnome back corner behind the vortigaunt for safe keeping.
♦ You'll actually be leaving him there for a while as you'll grind out these antlion waves and then move on to the next area. But don't worry about taking your gnome buddy with you, he will guard Alyx Vance and you'll return for him later on.

♦ Once you move on from there you can basically just speed run through the rest of the antlion tunnels all the way until you get to the part where the vortigaunt gets the antlion larval extract.

♦ Then you'll return to Alyx and G-Man will give a glimpse of the gnome's future ride and you'll need to pick up the gnome and take him with you up the elevator.


♦ Once you have the car we start getting into the more tedious parts.
♦ Keeping the gnome in the car is quite hard. You can either wedge him into some part of the car to keep him there or launch it to your destination with the gravity gun, then get in the car and go to where the gnome fell, pick it up and launch it again.
♦ When you arrived the garage don't leave the gnome in the main area on the ground level as the gnome can disappear when they fix your car and it teleports in. Leave him somewhere in the upstairs.


♦ Once to the gate of White Forest you're pretty much done with this just follow the resistance fighters through the complex until you meet up with Magnuson and Dr. Kleiner at the rocket.
♦ Set the gnome in the hatch on the left side of the rocket and CLOSE the hatch door. The achievement will pop up as soon as the hatch is closed.

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💡Squish every Antlion Grub.


🎯When going through the first three chapters (To the White Forest,This Vortal Coil,Freeman Pontifex], You must kill all 333 Antlion Grubs. I'll show you the Locations.
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• After Alyx attacked by a Strider, you'll go into the elevator and drop you to the mine by taking the crowbar. Eventually you will encounter a hole. 5 grub will be waiting for you on walls.

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• Drop into the hole. Waits 6 grubs for you to kill in the tunnel.

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• Right outside of this tunnel 2 will lying on left and 1 on the wall up right.

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• Get into next tunnel and 3 lying grubs will wait you.
  
• 2 grubs lying on the ground after the first 3 lying grubs.
  
• 4 grubs will be behind the web.

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• After droping down into the mine area 3 Antlion Grub lying right side of this place.

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• after fighting 2 Antlion Worker, on left side behind the fence there are 3 grubs. One on the wall in the hole and one on the wall near the cabinet. And one in the cabinet. Push E to open the cabinet.

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• Drop down into the hole and you'll have 3 grubs waiting for you.

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• Once you get to this large open area there are total of 24 grubs on the walls around this cave. Make sure to get all of them

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• On the left There is some kind of passage. Pass that you will encounter 4 grubs one on the wall.
  two lying on ground. And one in the water under the one on the wall.

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• While Getting to the next open area, 2 will be on the wall in front of you.
  
  
• Turn left you will see 2 lying antlion grubs. And two grubs protected by a barnacle will be on the ground on right.
  
  
• In front of those grubs, one grub will be on wall.
  
  
• 2 grubs will be on the ground and one grub on right will be on the wall.

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• 2 Grubs on the way to the next area.
  
  
• 4 Grubs on the left wall When you come out to a long open area.
  
  
• 1 Grub on the ground at the end of this area.

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• 3 Grubs on the way to the next area. and there is one lying just across the short tunnel on the right
  
  
• 1 Grub on the wall in the short tunnel.
  
  
• 3 Grubs lying behind the big pillar of cave.
  
  
• 2 Grubs lying before the web.
  
• 4 Grubs waiting for you in the webbed tunnel entrance.

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• 2 Grubs After going a little bit inside the tunnel before the drop down hole.

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• After protecting Vortigaunt while healing Alyx, you'll get into a tunnel. 5 Grubs can be found in here.
  
  
• Destroy the webs by hitting. You'll find 4 grubs. 3 in this short tunnel. 1 out of the shor tunnel.
  
  
• You'll find 3 grubs lying on ground before the next webbed passage.

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• After destroyed the webbed passage. You will immediately encounter 3 grubs.
  
  
• Under them will be one grub. And two on the wall.
  
  
• Up there, there will be 2 grubs waiting for you to taking care of. Make sure to get those two.
  
  
• 1 lying on ground.
  
  
• 2 on the wall.
  
  
• 2 lying on the ground.

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• Once you get to this webbed short tunnel there are 2 grubs in it. Make sure to get all of them.
  
  
• After These two, right in front of you there are two antlion grubs lying on the ground.
  
  
• Continuing the way there are 4 grubs up on the wall.
  
  
• Continue down a little and there will be one waiting for you on a narrow path.
  
  
• Go straight and when you turn right there will be one right in front of you

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• Go further into the tunnel, there are 4 grubs lying on the ground.
  
  
• You'll encounter webbed short tunnel. There are 2 grubs in it.
  
  
• Go a little further, there are 3 grubs lying on the ground.
  
  
• After those, 2 grubs on the wall.
  
  
• You'll come on to a webbed tunnel again. 1 grub at the top of the tunnel and 2 outside of the tunnel.

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• After droped down you'll have to clean up 6 grubs before ride a lift down.
  
  
• While riding the lift down you will see 3 grubs on one of the walls. After coming down there will be 3 grubs behind of the lift and 2 grubs in front of the lift.
  
  
• Behind the fence, 3 grubs will waiting for you.
  
  
  
• You'll come into a large room where you need to start a lift to get to up. There will be 6 grubs here. One of them is under the lift. And two of them are on a wall top of lift.
  
  
• Once you go up, before opening the gate for vortiguant make sure to clean up 6 grubs.

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• You have 1 grub sitting in the mine cart after vortigaunt start generator to open a gate.
  
  
• Look to the right from the edge of the cliff and you will see 4 grubs on the wall.
  
  
• Go up. A minecart is going to come down towards you. There are 7 grubs on the tracks that this cart will kill. And 2 that are laying to the right that you'll need to make sure that you finish off.
  
• You drop in a cart and it goes down and falls into a deep area. When you climb up a ladder you will see 12 grubs on the walls, don't forget to clean them.
  
• When you get top another 12 grubs will be waiting for you along the tracks. Then enter the tunnel.
  
  
• Once you come out to open area you'll have another 17 grubs before you get to the next battle sequence.

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• After the battle sequence and go up the elevator you'll have another 10 grubs in the mine.
  
  
• As you go through the pipe and drop down into the water you'll get another 10.
  
  
• Down around the water you will have another 10 grubs before going up a grub tunnel.
  
  
• Through these tunnels you'll have 7 before meeting an antlion guard.

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• When you see the antlion guard, run past to it and go into the antlion tunnel.
  
  
• As you're running from grub tunnel to grub tunnel you'll pick up another 32 grubs before reaching your next confrontation.
  
• Where the antlion guard comes head on and you have to run around to the left to get away from it.
  
• Then you'll continue running from grub tunnel to grub tunnel and pick up another 16.
  
• You shoul get to a small hole boarded up. You must have cleared 311 grubs at this point.

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• After escaping from antlion guard you should come into a large open area where there is an elevator.
  
• In this area you will be able to get 19 more grubs including the grubs around and in the tunnels in the ceiling.
  
• Once the vortigaunt opens the next gate you'll get another 3.
  
• And finally after Alyx is healthy and you go back up the elevator you'll have your final grub behind a bunch of boards.

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• ✔️Thats it! This covers all the achievements in the game.
  
• 🤙Please Like or give Award if you benefit from this guide.

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