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12 dari 50 (24%) pencapaian didapatkan:
Pencapaian Pribadi
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Didapatkan pada 28 Nov 2024 @ 12:27pm

Centripetal Attraction

Kill 20 Enemies with the Hivehand.
Didapatkan pada 4 Des 2024 @ 12:16pm

Ethically Questionable

Conduct all of the questionable research experiments.
Didapatkan pada 2 Des 2024 @ 12:16pm

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
Didapatkan pada 4 Des 2024 @ 4:42am

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.
Didapatkan pada 4 Des 2024 @ 11:17am

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Didapatkan pada 5 Des 2024 @ 1:31am

PhD in Pacifism

Don't kill any Vortigaunts in the Borderworld.
Didapatkan pada 5 Des 2024 @ 1:23am

Stealth Technology

Escape the Hangar in Surface Tension without alerting the Soldiers.
Didapatkan pada 3 Des 2024 @ 8:31am

Our Brains And Your Brawn

Assemble all the possible Scientists and Guards at the end of Office Complex.
Didapatkan pada 29 Nov 2024 @ 4:18am

Contest Propellant

Find the snack supply canister.
Didapatkan pada 4 Des 2024 @ 1:39pm

Anti-Matter Over Mind

Kill a Controller without killing any of its mind-controlled Vortigaunt slaves.
Didapatkan pada 4 Des 2024 @ 1:39pm

Limitless Potential

Accept G-Man’s offer of employment.
Didapatkan pada 5 Des 2024 @ 2:03am



Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.

Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.

Convection Refinement

Ruin the microwave casserole.

Dead Reckoning

Kill an Assassin with the .357 Magnum.

Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.

Futile Resistance

Kill 10 Enemies with Snarks.

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.

Inflammatory Actions

Kill a Headcrab using fire.

Kinetic Repulsion

Kill a Marine with their own Grenade.

Mega Hertz

Kill 5 Enemies with one Grenade.

Permeable Infrastructure

Use the alternate path in Office Complex.

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.

Quantum Capacitance

Overcharge it anyway.

Rare Specimen

Send the Hidden Hat to Xen.

Remote Detonation

Kill a Barnacle with a Satchel.

Resonance Procrastinator

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

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.

One Step Ahead

Kill 10 Enemies with Tripmines​​.

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.​

Rather an Anticlimax

Decline G-Man’s offer of employment.

Well-Done

Cook a Grenade for too long.
+6

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