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30 achievement su 50 (60%) ottenuti:
Achievement personali
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Sbloccato in data 26 mag 2018, ore 5:56

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
Sbloccato in data 26 mag 2018, ore 7:03

Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.
Sbloccato in data 2 giu 2018, ore 7:18

Centripetal Attraction

Kill 20 Enemies with the Hivehand.
Sbloccato in data 2 giu 2018, ore 6:34

Convection Refinement

Ruin the microwave casserole.
Sbloccato in data 6 giu 2018, ore 15:41

Dead Reckoning

Kill an Assassin with the .357 Magnum.
Sbloccato in data 29 mag 2018, ore 18:48

Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.
Sbloccato in data 6 giu 2018, ore 16:38

Ethically Questionable

Conduct all of the questionable research experiments.
Sbloccato in data 6 giu 2018, ore 17:09

Futile Resistance

Kill 10 Enemies with Snarks.
Sbloccato in data 2 giu 2018, ore 7:37

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
Sbloccato in data 29 mag 2018, ore 18:03

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.
Sbloccato in data 2 giu 2018, ore 8:05

Inflammatory Actions

Kill a Headcrab using fire.
Sbloccato in data 6 giu 2018, ore 16:18

Kinetic Repulsion

Kill a Marine with their own Grenade.
Sbloccato in data 6 giu 2018, ore 16:54

Mega Hertz

Kill 5 Enemies with one Grenade.
Sbloccato in data 2 giu 2018, ore 8:06

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.
Sbloccato in data 6 giu 2018, ore 17:19

Permeable Infrastructure

Use the alternate path in Office Complex.
Sbloccato in data 6 giu 2018, ore 16:33

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Sbloccato in data 2 giu 2018, ore 8:02

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
Sbloccato in data 26 mag 2018, ore 7:26

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.
Sbloccato in data 6 giu 2018, ore 15:46

Quantum Capacitance

Overcharge it anyway.
Sbloccato in data 30 mag 2018, ore 18:25

Rare Specimen

Send the Hidden Hat to Xen.
Sbloccato in data 12 giu 2018, ore 15:21

Remote Detonation

Kill a Barnacle with a Satchel.
Sbloccato in data 29 mag 2018, ore 13:04

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.
Sbloccato in data 6 giu 2018, ore 16:08

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.
Sbloccato in data 6 giu 2018, ore 16:48

Universal Gravitation

Get killed by your own Snarks.
Sbloccato in data 12 giu 2018, ore 11:57

PhD in Pacifism

Don't kill any Vortigaunts in the Borderworld.
Sbloccato in data 19 mar 2022, ore 18:18

Contest Propellant

Find the snack supply canister.
Sbloccato in data 19 mar 2022, ore 16:47

Anti-Matter Over Mind

Kill a Controller without killing any of its mind-controlled Vortigaunt slaves.
Sbloccato in data 19 mar 2022, ore 16:45

Limitless Potential

Accept G-Man’s offer of employment.
Sbloccato in data 19 mar 2022, ore 18:50

Rather an Anticlimax

Decline G-Man’s offer of employment.
Sbloccato in data 19 mar 2022, ore 18:46



Prolific Popper

Kill all Protozoans in the Borderworld.

One Step Ahead

Kill 10 Enemies with Tripmines​​.

Stealth Technology

Escape the Hangar in Surface Tension without alerting the Soldiers.

Our Brains And Your Brawn

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

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.​

Well-Done

Cook a Grenade for too long.
+6

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