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28 achievement su 50 (56%) ottenuti:
Achievement personali
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Sbloccato in data 14 mar 2020, ore 16:50

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
Sbloccato in data 16 mar 2020, ore 11:46

Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.
Sbloccato in data 15 mar 2020, ore 15:11

Centripetal Attraction

Kill 20 Enemies with the Hivehand.
Sbloccato in data 22 mar 2020, ore 16:56

Convection Refinement

Ruin the microwave casserole.
Sbloccato in data 21 mar 2020, ore 12:18

Dead Reckoning

Kill an Assassin with the .357 Magnum.
Sbloccato in data 16 mar 2020, ore 16:18

Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.
Sbloccato in data 21 mar 2020, ore 12:56

Ethically Questionable

Conduct all of the questionable research experiments.
Sbloccato in data 28 mag 2020, ore 15:20

Futile Resistance

Kill 10 Enemies with Snarks.
Sbloccato in data 21 mag 2020, ore 20:18

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
Sbloccato in data 11 mar 2017, ore 17:31

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.
Sbloccato in data 21 mag 2020, ore 20:45

Inflammatory Actions

Kill a Headcrab using fire.
Sbloccato in data 21 mar 2020, ore 23:42

Kinetic Repulsion

Kill a Marine with their own Grenade.
Sbloccato in data 22 mar 2020, ore 0:15

Mega Hertz

Kill 5 Enemies with one Grenade.
Sbloccato in data 23 mag 2020, ore 0:43

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.
Sbloccato in data 21 mar 2020, ore 11:51

Permeable Infrastructure

Use the alternate path in Office Complex.
Sbloccato in data 21 mar 2020, ore 23:54

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Sbloccato in data 21 mag 2020, ore 20:41

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
Sbloccato in data 17 mar 2017, ore 14:21

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.
Sbloccato in data 21 mar 2020, ore 13:04

Quantum Capacitance

Overcharge it anyway.
Sbloccato in data 21 mag 2020, ore 20:10

Remote Detonation

Kill a Barnacle with a Satchel.
Sbloccato in data 16 mar 2020, ore 12:21

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.
Sbloccato in data 21 mag 2020, ore 21:02

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.
Sbloccato in data 28 mag 2020, ore 14:41

Universal Gravitation

Get killed by your own Snarks.
Sbloccato in data 19 mar 2020, ore 23:17

One Step Ahead

Kill 10 Enemies with Tripmines​​.
Sbloccato in data 22 mar 2020, ore 1:21

Stealth Technology

Escape the Hangar in Surface Tension without alerting the Soldiers.
Sbloccato in data 22 mar 2020, ore 21:05

Less Than Desirable Consequences

Die in the AMS Beam before starting the experiment.
Sbloccato in data 28 mag 2020, ore 14:50

Well-Done

Cook a Grenade for too long.
Sbloccato in data 14 mar 2020, ore 23:17



Rare Specimen

Send the Hidden Hat to Xen.

Prolific Popper

Kill all Protozoans in the Borderworld.

PhD in Pacifism

Don't kill any Vortigaunts in the Borderworld.

Our Brains And Your Brawn

Assemble all the possible Scientists and Guards at the end of Office Complex.

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.
+7

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