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Đạt được 19 trên 50 (38%) thành tựu:
Thành tựu cá nhân
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Mở khóa vào 26 Thg04, 2021 @ 9:00pm

Convection Refinement

Ruin the microwave casserole.
Mở khóa vào 26 Thg04, 2021 @ 8:57pm

Dead Reckoning

Kill an Assassin with the .357 Magnum.
Mở khóa vào 29 Thg04, 2021 @ 4:01pm

Ethically Questionable

Conduct all of the questionable research experiments.
Mở khóa vào 28 Thg04, 2021 @ 4:15pm

Inflammatory Actions

Kill a Headcrab using fire.
Mở khóa vào 26 Thg04, 2021 @ 10:34pm

Permeable Infrastructure

Use the alternate path in Office Complex.
Mở khóa vào 26 Thg04, 2021 @ 10:50pm

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Mở khóa vào 3 Thg05, 2021 @ 1:42pm

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
Mở khóa vào 28 Thg04, 2021 @ 5:17pm

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.
Mở khóa vào 26 Thg04, 2021 @ 8:52pm

Quantum Capacitance

Overcharge it anyway.
Mở khóa vào 28 Thg04, 2021 @ 4:10pm

Remote Detonation

Kill a Barnacle with a Satchel.
Mở khóa vào 27 Thg04, 2021 @ 2:51pm

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.
Mở khóa vào 30 Thg04, 2021 @ 7:00pm

PhD in Pacifism

Don't kill any Vortigaunts in the Borderworld.
Mở khóa vào 3 Thg05, 2021 @ 1:48pm

xen when

Wait too long to jump into the Lambda Teleporter.
Mở khóa vào 30 Thg04, 2021 @ 5:45pm

Less Than Desirable Consequences

Die in the AMS Beam before starting the experiment.
Mở khóa vào 26 Thg04, 2021 @ 9:15pm

Contest Propellant

Find the snack supply canister.
Mở khóa vào 2 Thg05, 2021 @ 10:04pm

Anti-Matter Over Mind

Kill a Controller without killing any of its mind-controlled Vortigaunt slaves.
Mở khóa vào 2 Thg05, 2021 @ 10:03pm

Limitless Potential

Accept G-Man’s offer of employment.
Mở khóa vào 29 Thg08, 2021 @ 2:36am

Rather an Anticlimax

Decline G-Man’s offer of employment.
Mở khóa vào 29 Thg08, 2021 @ 2:44am



Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.

Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.

Centripetal Attraction

Kill 20 Enemies with the Hivehand.

Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.

Futile Resistance

Kill 10 Enemies with Snarks.

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.

Kinetic Repulsion

Kill a Marine with their own Grenade.

Mega Hertz

Kill 5 Enemies with one Grenade.

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.

Rare Specimen

Send the Hidden Hat to Xen.

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.

Universal Gravitation

Get killed by your own Snarks.

Prolific Popper

Kill all Protozoans in the Borderworld.

One Step Ahead

Kill 10 Enemies with Tripmines​​.

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.

Specimen GG

Take out all three Healing Crystals in Nihilanth’s Chamber at the same time​.

Late for Work

Defeat Nihilanth in under 4 minutes.​

Well-Done

Cook a Grenade for too long.
+5

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