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42 dari 50 (84%) pencapaian didapatkan:
Pencapaian Pribadi
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Didapatkan pada 21 Sep 2023 @ 11:30pm

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Centripetal Attraction

Kill 20 Enemies with the Hivehand.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Convection Refinement

Ruin the microwave casserole.
Didapatkan pada 21 Sep 2023 @ 11:32pm

Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Ethically Questionable

Conduct all of the questionable research experiments.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Futile Resistance

Kill 10 Enemies with Snarks.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Inflammatory Actions

Kill a Headcrab using fire.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Kinetic Repulsion

Kill a Marine with their own Grenade.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Mega Hertz

Kill 5 Enemies with one Grenade.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Permeable Infrastructure

Use the alternate path in Office Complex.
Didapatkan pada 11 Jan 2024 @ 8:47pm

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Didapatkan pada 1 Jan 2020 @ 2:10am

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
Didapatkan pada 24 Nov 2018 @ 9:26pm

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Quantum Capacitance

Overcharge it anyway.
Didapatkan pada 31 Des 2019 @ 8:29pm

Rare Specimen

Send the Hidden Hat to Xen.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Remote Detonation

Kill a Barnacle with a Satchel.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Universal Gravitation

Get killed by your own Snarks.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Prolific Popper

Kill all Protozoans in the Borderworld.
Didapatkan pada 21 Okt 2022 @ 7:40pm

PhD in Pacifism

Don't kill any Vortigaunts in the Borderworld.
Didapatkan pada 21 Okt 2022 @ 7:40pm

The Rarest Specimen

Carry the Hidden Hat to Endgame.
Didapatkan pada 21 Okt 2022 @ 7:40pm

One Step Ahead

Kill 10 Enemies with Tripmines​​.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Stealth Technology

Escape the Hangar in Surface Tension without alerting the Soldiers.
Didapatkan pada 21 Okt 2022 @ 7:40pm

xen when

Wait too long to jump into the Lambda Teleporter.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Our Brains And Your Brawn

Assemble all the possible Scientists and Guards at the end of Office Complex.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Less Than Desirable Consequences

Die in the AMS Beam before starting the experiment.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Orbital Trajectory

Skip the opening Xen island with a secret jump.​
Didapatkan pada 21 Okt 2022 @ 7:40pm

Following the Rules

Use the welcome mat.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Doctor’s Signature

Deliver the finishing blow to Gonarch with your Crowbar.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Post-Mortem Interval

Find each member of the missing research teams.
Didapatkan pada 21 Okt 2022 @ 7:40pm

The Plan

Use Cyanogen to kill Gonarch.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Contest Propellant

Find the snack supply canister.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Laser Immunization

Complete Interloper without taking any laser damage.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Specimen GG

Take out all three Healing Crystals in Nihilanth’s Chamber at the same time​.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Late for Work

Defeat Nihilanth in under 4 minutes.​
Didapatkan pada 21 Okt 2022 @ 7:40pm

Rather an Anticlimax

Decline G-Man’s offer of employment.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Pepperoni Precipitation

View the *other* secret ending.
Didapatkan pada 21 Okt 2022 @ 7:40pm

Well-Done

Cook a Grenade for too long.
Didapatkan pada 21 Okt 2022 @ 7:40pm



Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.

Dead Reckoning

Kill an Assassin with the .357 Magnum.

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.

Gonad Glider

Get whacked into oblivion in the ledge fight.

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.

Limitless Potential

Accept G-Man’s offer of employment.
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