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14 dari 50 (28%) pencapaian didapatkan:
Pencapaian Pribadi
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Didapatkan pada 2 Feb 2018 @ 12:07pm

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
Didapatkan pada 26 Feb 2022 @ 9:28am

Convection Refinement

Ruin the microwave casserole.
Didapatkan pada 2 Feb 2018 @ 12:06pm

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
Didapatkan pada 24 Nov 2017 @ 1:44pm

Inflammatory Actions

Kill a Headcrab using fire.
Didapatkan pada 30 Nov @ 1:30pm

Mega Hertz

Kill 5 Enemies with one Grenade.
Didapatkan pada 25 Nov 2017 @ 7:33am

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
Didapatkan pada 24 Nov 2017 @ 2:10pm

Quantum Capacitance

Overcharge it anyway.
Didapatkan pada 25 Nov 2017 @ 5:17am

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.
Didapatkan pada 26 Feb 2022 @ 6:02am

Universal Gravitation

Get killed by your own Snarks.
Didapatkan pada 25 Nov 2017 @ 2:55am

PhD in Pacifism

Don't kill any Vortigaunts in the Borderworld.
Didapatkan pada 27 Feb 2022 @ 6:50am

Anti-Matter Over Mind

Kill a Controller without killing any of its mind-controlled Vortigaunt slaves.
Didapatkan pada 27 Feb 2022 @ 5:52am

Rather an Anticlimax

Decline G-Man’s offer of employment.
Didapatkan pada 27 Feb 2022 @ 7:14am

Well-Done

Cook a Grenade for too long.
Didapatkan pada 10 Des 2022 @ 12:47pm



Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.

Centripetal Attraction

Kill 20 Enemies with the Hivehand.

Dead Reckoning

Kill an Assassin with the .357 Magnum.

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.

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.

Permeable Infrastructure

Use the alternate path in Office Complex.

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.

Rare Specimen

Send the Hidden Hat to Xen.

Remote Detonation

Kill a Barnacle with a Satchel.

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.

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.

Less Than Desirable Consequences

Die in the AMS Beam before starting the experiment.

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.​

Limitless Potential

Accept G-Man’s offer of employment.
+7

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