Playtime past 2 weeks:
0h

View global achievement stats
You must be logged in to compare these stats to your own
21 of 50 (42%) achievements earned:
Personal Achievements
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Unlocked 23 Mar, 2020 @ 11:34am

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
Unlocked 24 Mar, 2020 @ 12:55pm

Centripetal Attraction

Kill 20 Enemies with the Hivehand.
Unlocked 27 Mar, 2020 @ 9:36am

Convection Refinement

Ruin the microwave casserole.
Unlocked 23 Mar, 2020 @ 11:33am

Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.
Unlocked 23 Mar, 2020 @ 1:32pm

Ethically Questionable

Conduct all of the questionable research experiments.
Unlocked 30 Mar, 2020 @ 11:16am

Futile Resistance

Kill 10 Enemies with Snarks.
Unlocked 30 Mar, 2020 @ 11:09am

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
Unlocked 30 Mar, 2020 @ 10:56am

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Unlocked 29 Mar, 2020 @ 11:04pm

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.
Unlocked 23 Mar, 2020 @ 11:29am

Quantum Capacitance

Overcharge it anyway.
Unlocked 29 Mar, 2020 @ 11:11pm

Remote Detonation

Kill a Barnacle with a Satchel.
Unlocked 23 Mar, 2020 @ 1:58pm

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.
Unlocked 30 Mar, 2020 @ 10:53am

Universal Gravitation

Get killed by your own Snarks.
Unlocked 30 Mar, 2020 @ 10:39am

Stealth Technology

Escape the Hangar in Surface Tension without alerting the Soldiers.
Unlocked 27 Mar, 2020 @ 8:43am

Less Than Desirable Consequences

Die in the AMS Beam before starting the experiment.
Unlocked 30 Mar, 2020 @ 10:50am

Orbital Trajectory

Skip the opening Xen island with a secret jump.​
Unlocked 30 Mar, 2020 @ 10:22am

Black Mesa Decathlon Winner

Escape the Gargantua’s Lair without taking any damage from Gargantuas.
Unlocked 29 Mar, 2020 @ 10:27pm

Anti-Matter Over Mind

Kill a Controller without killing any of its mind-controlled Vortigaunt slaves.
Unlocked 29 Mar, 2020 @ 10:21pm

Limitless Potential

Accept G-Man’s offer of employment.
Unlocked 30 Mar, 2020 @ 12:08am

Rather an Anticlimax

Decline G-Man’s offer of employment.
Unlocked 30 Mar, 2020 @ 12:09am



Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.

Dead Reckoning

Kill an Assassin with the .357 Magnum.

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.

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.

Permeable Infrastructure

Use the alternate path in Office Complex.

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.

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.

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.

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.

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.​

Well-Done

Cook a Grenade for too long.
+7

7 hidden achievements remaining

Details for each achievement will be revealed once unlocked