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Đạt được 23 trên 50 (46%) thành tựu:
Thành tựu cá nhân
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Mở khóa vào 31 Thg12, 2023 @ 2:07am

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
Mở khóa vào 20 Thg08, 2024 @ 5:04am

Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.
Mở khóa vào 5 Thg01, 2024 @ 1:24am

Centripetal Attraction

Kill 20 Enemies with the Hivehand.
Mở khóa vào 1 Thg01, 2024 @ 4:45am

Convection Refinement

Ruin the microwave casserole.
Mở khóa vào 31 Thg12, 2023 @ 2:04am

Dead Reckoning

Kill an Assassin with the .357 Magnum.
Mở khóa vào 1 Thg01, 2024 @ 5:02am

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
Mở khóa vào 31 Thg12, 2023 @ 7:51am

Inflammatory Actions

Kill a Headcrab using fire.
Mở khóa vào 31 Thg12, 2023 @ 2:40am

Mega Hertz

Kill 5 Enemies with one Grenade.
Mở khóa vào 5 Thg01, 2024 @ 1:46am

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.
Mở khóa vào 1 Thg03, 2024 @ 6:52pm

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Mở khóa vào 1 Thg03, 2024 @ 6:47pm

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
Mở khóa vào 31 Thg12, 2023 @ 2:28am

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.
Mở khóa vào 20 Thg08, 2024 @ 4:13am

Quantum Capacitance

Overcharge it anyway.
Mở khóa vào 1 Thg01, 2024 @ 4:55am

Remote Detonation

Kill a Barnacle with a Satchel.
Mở khóa vào 5 Thg01, 2024 @ 1:03am

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.
Mở khóa vào 20 Thg08, 2024 @ 4:49am

PhD in Pacifism

Don't kill any Vortigaunts in the Borderworld.
Mở khóa vào 1 Thg03, 2024 @ 8:34pm

One Step Ahead

Kill 10 Enemies with Tripmines​​.
Mở khóa vào 6 Thg01, 2024 @ 11:50pm

Less Than Desirable Consequences

Die in the AMS Beam before starting the experiment.
Mở khóa vào 20 Thg08, 2024 @ 4:49am

Anti-Matter Over Mind

Kill a Controller without killing any of its mind-controlled Vortigaunt slaves.
Mở khóa vào 7 Thg01, 2024 @ 12:07am

Specimen GG

Take out all three Healing Crystals in Nihilanth’s Chamber at the same time​.
Mở khóa vào 1 Thg03, 2024 @ 9:00pm

Limitless Potential

Accept G-Man’s offer of employment.
Mở khóa vào 1 Thg03, 2024 @ 9:05pm

Rather an Anticlimax

Decline G-Man’s offer of employment.
Mở khóa vào 20 Thg08, 2024 @ 3:58am



Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.

Ethically Questionable

Conduct all of the questionable research experiments.

Futile Resistance

Kill 10 Enemies with Snarks.

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.

Kinetic Repulsion

Kill a Marine with their own Grenade.

Permeable Infrastructure

Use the alternate path in Office Complex.

Rare Specimen

Send the Hidden Hat to Xen.

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.

Universal Gravitation

Get killed by your own Snarks.

Prolific Popper

Kill all Protozoans in the Borderworld.

Stealth Technology

Escape the Hangar in Surface Tension without alerting the Soldiers.

Our Brains And Your Brawn

Assemble all the possible Scientists and Guards at the end of Office Complex.

Orbital Trajectory

Skip the opening Xen island with a secret jump.​

Doctor’s Signature

Deliver the finishing blow to Gonarch with your Crowbar.

Gonad Glider

Get whacked into oblivion in the ledge fight.

Post-Mortem Interval

Find each member of the missing research teams.

Laser Immunization

Complete Interloper without taking any laser damage.

Black Mesa Decathlon Winner

Escape the Gargantua’s Lair without taking any damage from Gargantuas.

Late for Work

Defeat Nihilanth in under 4 minutes.​

Well-Done

Cook a Grenade for too long.
+7

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