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23 achievement su 50 (46%) ottenuti:
Achievement personali
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Sbloccato in data 4 mag 2018, ore 7:01

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
Sbloccato in data 13 mar 2018, ore 14:10

Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.
Sbloccato in data 14 mar 2018, ore 8:23

Centripetal Attraction

Kill 20 Enemies with the Hivehand.
Sbloccato in data 14 mar 2018, ore 9:47

Convection Refinement

Ruin the microwave casserole.
Sbloccato in data 19 apr 2017, ore 5:35

Dead Reckoning

Kill an Assassin with the .357 Magnum.
Sbloccato in data 20 set 2019, ore 6:51

Ethically Questionable

Conduct all of the questionable research experiments.
Sbloccato in data 18 nov 2020, ore 13:39

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
Sbloccato in data 10 mar 2018, ore 3:10

Inflammatory Actions

Kill a Headcrab using fire.
Sbloccato in data 31 ott 2021, ore 11:45

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.
Sbloccato in data 3 nov 2021, ore 8:35

Permeable Infrastructure

Use the alternate path in Office Complex.
Sbloccato in data 10 mar 2018, ore 1:36

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Sbloccato in data 31 ott 2021, ore 12:08

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
Sbloccato in data 18 mar 2020, ore 8:42

Universal Gravitation

Get killed by your own Snarks.
Sbloccato in data 4 mag 2018, ore 6:56

PhD in Pacifism

Don't kill any Vortigaunts in the Borderworld.
Sbloccato in data 1 nov 2021, ore 7:44

One Step Ahead

Kill 10 Enemies with Tripmines​​.
Sbloccato in data 19 nov 2021, ore 5:50

Less Than Desirable Consequences

Die in the AMS Beam before starting the experiment.
Sbloccato in data 17 apr 2020, ore 3:34

Contest Propellant

Find the snack supply canister.
Sbloccato in data 1 nov 2021, ore 6:19

Black Mesa Decathlon Winner

Escape the Gargantua’s Lair without taking any damage from Gargantuas.
Sbloccato in data 15 nov 2021, ore 8:09

Anti-Matter Over Mind

Kill a Controller without killing any of its mind-controlled Vortigaunt slaves.
Sbloccato in data 16 apr 2020, ore 4:15

Late for Work

Defeat Nihilanth in under 4 minutes.​
Sbloccato in data 1 nov 2021, ore 8:30

Limitless Potential

Accept G-Man’s offer of employment.
Sbloccato in data 16 apr 2020, ore 5:35

Rather an Anticlimax

Decline G-Man’s offer of employment.
Sbloccato in data 16 apr 2020, ore 5:36



Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.

Futile Resistance

Kill 10 Enemies with Snarks.

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.

Kinetic Repulsion

Kill a Marine with their own Grenade.

Mega Hertz

Kill 5 Enemies with one Grenade.

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.

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.

Prolific Popper

Kill all Protozoans in the Borderworld.

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.

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.

Specimen GG

Take out all three Healing Crystals in Nihilanth’s Chamber at the same time​.

Well-Done

Cook a Grenade for too long.
+6

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