Kvark
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Secrets and Notes locations
By Durbaa
In this guide you will find all locations of the Secret Notes and Secrets.
There are a total of 55 Notes and 49 Secrets, but you only need 48 Secrets to unlock the achievement.

Warning
This guide naturally contains spoilers, so proceed at your own risk.
   
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CHAPTER 1
16 Secrets
15 Notes

PRISON
4 Secrets
2 Notes

STORAGE
4 Secrets
4 Notes

SEWERS
3 Secrets
3 Notes

RAILWAY
3 Secrets
3 Notes

RESERVOIR
2 Secrets
3 Notes
- PRISON


SECRET 1/48

After you wake up, go to the right. There’s a poster near a cell, pick it up and inside the cell. The secret is hidden in a vent behind green boxes.





SECRET 2/48

In one of the cells there is an explosive barrel. You need to drag the barrel to the cell shown in the picture, it’s quite annoying to do. Once you move it there, jump up and squeeze inside the cell (It's not that easy). Be careful though, you can’t get out again, so only do this for completion.




NOTE 1/55

The first note is right after you crouch under the door.




SECRET 3/48

Climb on these boxes. You will find a rat and some armor.




NOTE 2/55

This note contains a code: 1234. You’ll need it for the next secret.




SECRET 4/48

Right next to the note there is a door with a code lock. Enter 1234 to reveal the secret.


- STORAGE


SECRET 5/48

At the end of the big storage area, you’ll find a yellow container next to the green army crates. Go through the container, and on the left side you’ll see a hole in the wall. Inside, there are 15 shields waiting for you.




SECRET 6/48

There’s another secret in the storage. Jump onto the red container, then onto the railing, and enter the room with the green doors. Inside, you’ll find a rat along with 50 armor and some ammo.




NOTE 3/55

There’s a note inside the room, right behind the door on the wall.





NOTE 4/55

The note is located on the control panel.





SECRET 7/48

There’s a hidden vent behind the vending machine.




NOTE 5/55

There’s a note in the crane control room, this one is impossible to miss.





SECRET 8/48

This one is trickier. You need to correctly position the crane, go to the other side, and jump onto the building. Carefully land on the ledge and climb to the second floor through the window. Once inside, you’ll also unlock an achievement.




NOTE 6/55

The last note of the level is near the end. After you destroy the turret, go right where you’ll see green radioactive liquid. Enter the room, and on the wall you’ll find the recording.

- SEWERS


NOTE 7/55

After you destroy the turret, open the door inside. There is an enemy, and there is a note on the table.





SECRET 9/48

In the tunnel, when you see the wooden crate, there is a small room with another hole. Jump inside and crawl through it to find the secret.




SECRET 10/48

In the room where you encounter the new enemy, you have to jump up there from the barrels. It is quite tricky.




NOTE 8/55

On the table right after the first checkpoint.





SECRET 11/48

Right after the note, go down the stairs and continue straight. There is a room, and at the end of it there are boxes. Go behind the boxes to find a hidden vent.





NOTE 9/55

After you pick up the anetheium and learn a new perk, open the door. There is a note on the wall.



- RAILWAY


NOTE 10/55

At the start. Almost impossible to miss.





NOTE 11/55

After the first enemy encounter. The note is on the table next to the TV.





SECRET 12/48

At the first train stop. Go to the end of the hallway and there’s a locked door. The code is 0451. You can find the code written on the wall near the train.




SECRET 13/48

After the second train stop. Stop at number 6. There’s a blue door, open it to find the secret.




NOTE 12/55

At the third train stop, in the control room.





SECRET 14/48

The next secret is behind a door. To open it, go up the stairs. You’ll see two entrances: one buried with rubble and the other that continues the level. Enter the rubble entrance and look for a hidden switch on the wall.

- RESERVOIR


NOTE 13/55

After you encounter the 2 spitting enemies, turn left. There is a blue room, and inside, on the wall, there is your note.





NOTE 14/55

This one is almost unmissable. After you kill the turret, keep moving forward and you will walk across the room in the picture. There is a note on the table.





SECRET 15/48

The code is 827.




SECRET 16/48

You need to carefully jump onto the railing and move forward. There is a secret and a note waiting for you.




NOTE 15/55

The note is on the mattress in the secret area. For more information look above.




Chapter 2
24 Notes
19 Secrets

ENTRANCE
6 Secrets
5 Notes

MINES
3 Secrets
5 Notes

PRODUCTION
2 Secrets
5 Notes

CAVES
3 Secrets
4 Notes

EXCAVATION
5 Secrets
5 Notes
- ENTRANCE


NOTE 16/55

At the start after they take away your guns, almost unmissabble





SECRET 17/48

Go straight down the hall until you find a room with boxes. Behind them is a vent. Break it to find the secret.




NOTE 17/55

At the first checkpoint, on the wall.





SECRET 18/48

At the first checkpoint. Break the glass and jump through.




SECRET 19/48

In the large hall after you encounter the new shotgun enemy, open the blue door. Inside there are green boxes. Jump behind them to find a vent with the secret.




NOTE 18/55

Location shown in the image.





SECRET 20/48

In the same room, there is a hidden switch on the shelf. Destroy some books to reveal it. Press it to open the door.




NOTE 19/55

In the secret room, lying on the mattress.





NOTE 20/55

In the large laundry area, on a shelf.





SECRET 21/48

In the large laundry area, through the circled entrance.




SECRET 22/48

The code is 392. You can find it on the pillars in the room.

- MINES


NOTE 21/55

At the start of the level, almost unmissable.





NOTE 22/55

Inside the mines, in the area where you encounter many enemies, choose to go right. Continue until you find some boxes. The note is on top of them.





NOTE 23/55

Near the bird.





SECRET 23/48

Go left at the next turn. At the end there are some radioactive barrels. Behind them are leaves. Behind the leaves you will find the secret and a note.





NOTE 24/55

In the secret room, lying on the mattress.





NOTE 25/55

In the number 3 control room.





SECRET 24/48

In the large open area after mining with the drill, jump down. Be careful, there is fall damage in this game.




SECRET 25/48

In the area with containers, go to the last one. Inside there is a vent with the secret.

- PRODUCTION


NOTE 26/55

At the start of the level, in the room where you encounter the first enemies.





NOTE 27/55

After the first checkpoint, go inside the showers. There is a note on the ground waiting for you.





SECRET 26/48

This secret is after the second checkpoint in the large open area. You have to jump down into one of the circled areas. Be aware of fall damage. Once down there, there is some armor and a hidden vent to get back up.




NOTE 28/55

Before the third checkpoint, in front of the gate, there is a note on a table.





NOTE 29/55

After the third checkpoint, you will encounter some enemies. Then go up the stairs to a room with a blue door. Go inside and the note will be there waiting for you.





SECRET 27/48




NOTE 30/55

In the control room on the wall inside the assembly area.





SECRET 28/48

After you pass the crashing pistons, there are some wooden boxes. Go behind them and there is a secret.

- CAVES


NOTE 31/55

In the area where you have to blow up the cave.





SECRET 29/48

In the area where you encounter the spider go through the webs. There is a secret and a note.




NOTE 32/55

Inside the secret area look above.





SECRET 30/48

In the glowing cave area go through the web. There is also a note waiting for you.




NOTE 33/55

Inside the secret area above.





SECRET 31/48

Another one in the webs secret. Just go through after the first jumping "puzzle".




NOTE 34/55

- EXCAVATION


SECRET 32/48

At the start of the game where you encounter the first enemies.




SECRET 33/48

The code is 1249




SECRET 34/48

Behind the boxes




NOTE 35/55

Near the secret.





NOTE 36/55

In the large hall.





SECRET 35/48

After the large hall area under the stair. break the vent.




NOTE 37/55

At the checkpoint in the locker room area.





SECRET 36/48

In the excavation are on the top level you have to climb the ladder.




NOTE 38/55

In the control room.





NOTE 39/55

Before the bossfight on the wall.


Chapter 3
- OFFICES


NOTE 40/55

In the meeting room on the table.





SECRET 37/48

Under the stairs in the area where you have to wait for the door to open.




SECRET 38/48

When you go up the stairs there is a boarded entrance. Destroy it and go inside. At the end of the hallway there is rubble. Under the rubble there is hidden anethium. Take it, that is the secret.





NOTE 41/55

When you go up the stairs it is on the table.





NOTE 42/55

In the room on the same floor.





SECRET 39/48

After you go through the long hallway some enemies will appear from the room on the left with green doors. Go inside, there is a hidden switch behind the racks. You have to destroy some boxes to see it.




NOTE 43/55

Near the next checkpoint on the wall.





NOTE 44/55

At the end of the level in the vault area.





SECRET 40/48

In the vault area. Jump down, there is a hidden vent.


- OUTSIDE


NOTE 45/55

On the yellow radioactive barrels when you progress normally through the game.





SECRET 41/48

At the first radio station.



NOTE 46/55

Inside the radio station. Almost unmissable.





SECRET 42/48

Hidden inside the giant gate you have to open. Jump through the leaves.




SECRET 43/48

Inside the second radio tower building. It is on the highest floor not counting the roof.




SECRET 44/48

Behind the largest building.




NOTE 47/55

Inside the large building near a checkpoint.





SECRET 45/48

At the last radio station on the roof. There is a ladder behind the corner, climb it up and there is your secret.

- LABS


SECRET 46/48

Inside the couch area there is a hidden red button. Click on it and a door will open when you go back.





NOTE 48/55

Inside the secret room.





NOTE 49/55

Right after the previous secret above.





NOTE 50/55

Inside the research area on the table.

+



NOTE 51/55

Inside the weed lab area on the table.





SECRET 47/48

Under the stairs behind the boxes.




NOTE 52/55

In the office area where the checkpoint is.

- REACTOR


NOTE 53/55

Before going through the vent.





NOTE 54/55

On the mattress after going through the vent.





SECRET 48/48

Press the button, the door will open in the area where the next checkpoint is.





NOTE 55/55

Near a checkpoint on the wall.





SECRET 49/48