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5 of 25 (20%) achievements earned:

Personal Achievements
Unlocked Dec 28, 2016 @ 5:00pm

Brownian Motion

Pass the toilet paper to the scientist in need.
Unlocked Dec 28, 2016 @ 5:32pm

Caffeine Extraction

Perform surgical caffeine extraction from 20 machines.
Unlocked Dec 28, 2016 @ 5:02pm

Convection Refinement

Ruin the microwave casserole.
Unlocked Dec 28, 2016 @ 5:50pm

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
Unlocked Dec 28, 2016 @ 4:47pm

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.

Calculated Trajectory

Kill 10 Airborne Headcrabs using the Shotgun.

Centripetal Attraction

Kill 20 enemies with the Hivehand.

Dead Reckoning

Kill an Assassin with the .357 Magnum.

Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.

Ethically Questionable

Conduct all of the questionable research experiments.

Futile Resistance

Kill 10 enemies with Snarks.

Gray Matter Propulsion

Headshot 20 enemies 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 Icthyosaur with either the Tau or Gluon.

Permeable Infrastructure

Use the alternate path in Office Complex.

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.

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.