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26 dari 50 (52%) pencapaian didapatkan:
Pencapaian Pribadi
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Didapatkan pada 24 Nov 2017 @ 8:16am

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
Didapatkan pada 30 Nov 2017 @ 11:59am

Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.
Didapatkan pada 2 Des 2017 @ 8:23am

Centripetal Attraction

Kill 20 Enemies with the Hivehand.
Didapatkan pada 20 Feb 2018 @ 4:26pm

Convection Refinement

Ruin the microwave casserole.
Didapatkan pada 24 Nov 2017 @ 8:15am

Dead Reckoning

Kill an Assassin with the .357 Magnum.
Didapatkan pada 10 Des 2017 @ 12:13pm

Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.
Didapatkan pada 20 Feb 2018 @ 9:50pm

Ethically Questionable

Conduct all of the questionable research experiments.
Didapatkan pada 19 Des 2017 @ 12:42pm

Futile Resistance

Kill 10 Enemies with Snarks.
Didapatkan pada 20 Feb 2018 @ 10:17pm

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
Didapatkan pada 30 Nov 2017 @ 12:35pm

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.
Didapatkan pada 20 Feb 2018 @ 11:06pm

Inflammatory Actions

Kill a Headcrab using fire.
Didapatkan pada 20 Feb 2018 @ 9:47pm

Kinetic Repulsion

Kill a Marine with their own Grenade.
Didapatkan pada 20 Feb 2018 @ 10:24pm

Mega Hertz

Kill 5 Enemies with one Grenade.
Didapatkan pada 20 Feb 2018 @ 10:26pm

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.
Didapatkan pada 20 Feb 2018 @ 10:03pm

Permeable Infrastructure

Use the alternate path in Office Complex.
Didapatkan pada 20 Feb 2018 @ 11:03pm

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Didapatkan pada 20 Feb 2018 @ 10:45pm

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
Didapatkan pada 28 Nov 2017 @ 1:17pm

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.
Didapatkan pada 28 Nov 2017 @ 1:31pm

Quantum Capacitance

Overcharge it anyway.
Didapatkan pada 19 Des 2017 @ 12:46pm

Rare Specimen

Send the Hidden Hat to Xen.
Didapatkan pada 21 Feb 2018 @ 7:42pm

Remote Detonation

Kill a Barnacle with a Satchel.
Didapatkan pada 20 Feb 2018 @ 9:51pm

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.
Didapatkan pada 20 Feb 2018 @ 10:56pm

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.
Didapatkan pada 20 Feb 2018 @ 10:43pm

Universal Gravitation

Get killed by your own Snarks.
Didapatkan pada 20 Feb 2018 @ 10:19pm

Stealth Technology

Escape the Hangar in Surface Tension without alerting the Soldiers.
Didapatkan pada 19 Sep 2022 @ 8:05pm



Prolific Popper

Kill all Protozoans in the Borderworld.

PhD in Pacifism

Don't kill any Vortigaunts in the Borderworld.

One Step Ahead

Kill 10 Enemies with Tripmines​​.

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.

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.

Well-Done

Cook a Grenade for too long.
+7

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