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22 dari 50 (44%) pencapaian didapatkan:
Pencapaian Pribadi
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Didapatkan pada 13 Apr 2017 @ 8:29am

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
Didapatkan pada 12 Agu 2023 @ 10:37pm

Convection Refinement

Ruin the microwave casserole.
Didapatkan pada 13 Apr 2017 @ 8:24am

Dead Reckoning

Kill an Assassin with the .357 Magnum.
Didapatkan pada 20 Agu 2023 @ 6:36am

Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.
Didapatkan pada 13 Agu 2023 @ 3:15am

Ethically Questionable

Conduct all of the questionable research experiments.
Didapatkan pada 3 Sep 2023 @ 2:33am

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
Didapatkan pada 16 Agu 2023 @ 5:55am

Inflammatory Actions

Kill a Headcrab using fire.
Didapatkan pada 12 Agu 2023 @ 11:21pm

Kinetic Repulsion

Kill a Marine with their own Grenade.
Didapatkan pada 13 Agu 2023 @ 6:53am

Permeable Infrastructure

Use the alternate path in Office Complex.
Didapatkan pada 13 Agu 2023 @ 2:16am

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Didapatkan pada 29 Des @ 9:21am

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
Didapatkan pada 13 Apr 2017 @ 8:51am

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.
Didapatkan pada 12 Agu 2023 @ 10:32pm

Quantum Capacitance

Overcharge it anyway.
Didapatkan pada 3 Sep 2023 @ 2:20am

Remote Detonation

Kill a Barnacle with a Satchel.
Didapatkan pada 15 Agu 2023 @ 7:42am

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.
Didapatkan pada 12 Agu 2023 @ 10:57pm

Universal Gravitation

Get killed by your own Snarks.
Didapatkan pada 3 Sep 2023 @ 2:01am

One Step Ahead

Kill 10 Enemies with Tripmines​​.
Didapatkan pada 16 Agu 2023 @ 6:02am

Stealth Technology

Escape the Hangar in Surface Tension without alerting the Soldiers.
Didapatkan pada 29 Des @ 7:04am

Our Brains And Your Brawn

Assemble all the possible Scientists and Guards at the end of Office Complex.
Didapatkan pada 13 Agu 2023 @ 3:04am

Less Than Desirable Consequences

Die in the AMS Beam before starting the experiment.
Didapatkan pada 12 Agu 2023 @ 10:55pm

Well-Done

Cook a Grenade for too long.
Didapatkan pada 12 Agu 2023 @ 11:56pm



Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.

Centripetal Attraction

Kill 20 Enemies with the Hivehand.

Futile Resistance

Kill 10 Enemies with Snarks.

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.

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.

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.

Prolific Popper

Kill all Protozoans in the Borderworld.

PhD in Pacifism

Don't kill any Vortigaunts in the Borderworld.

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.

Anti-Matter Over Mind

Kill a Controller without killing any of its mind-controlled Vortigaunt slaves.

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.

Rather an Anticlimax

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

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