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18 de 50 (36%) proezas alcançadas:
Proezas pessoais
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Desbloqueada a 30 jun. 2022 às 5:53

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
Desbloqueada a 30 jun. 2022 às 6:10

Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.
Desbloqueada a 30 jun. 2022 às 10:24

Convection Refinement

Ruin the microwave casserole.
Desbloqueada a 30 jun. 2022 às 5:51

Dead Reckoning

Kill an Assassin with the .357 Magnum.
Desbloqueada a 3 jul. 2022 às 18:55

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
Desbloqueada a 17 jul. 2022 às 9:20

Inflammatory Actions

Kill a Headcrab using fire.
Desbloqueada a 30 jun. 2022 às 6:11

Kinetic Repulsion

Kill a Marine with their own Grenade.
Desbloqueada a 1 jul. 2022 às 14:52

Mega Hertz

Kill 5 Enemies with one Grenade.
Desbloqueada a 30 jun. 2022 às 6:50

Permeable Infrastructure

Use the alternate path in Office Complex.
Desbloqueada a 30 jun. 2022 às 6:44

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Desbloqueada a 21 jul. 2022 às 14:34

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
Desbloqueada a 30 jun. 2022 às 6:08

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.
Desbloqueada a 30 jun. 2022 às 5:49

Rare Specimen

Send the Hidden Hat to Xen.
Desbloqueada a 20 jul. 2022 às 5:15

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.
Desbloqueada a 30 jun. 2022 às 6:01

Less Than Desirable Consequences

Die in the AMS Beam before starting the experiment.
Desbloqueada a 30 jun. 2022 às 5:59

Black Mesa Decathlon Winner

Escape the Gargantua’s Lair without taking any damage from Gargantuas.
Desbloqueada a 22 jul. 2022 às 1:22

Anti-Matter Over Mind

Kill a Controller without killing any of its mind-controlled Vortigaunt slaves.
Desbloqueada a 22 jul. 2022 às 1:15



Centripetal Attraction

Kill 20 Enemies with the Hivehand.

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.

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.

Quantum Capacitance

Overcharge it anyway.

Remote Detonation

Kill a Barnacle with a Satchel.

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.

Universal Gravitation

Get killed by your own Snarks.

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​​.

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​.

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.

Well-Done

Cook a Grenade for too long.
+7

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