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33 de 50 (66%) proezas alcançadas:
Proezas pessoais
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Desbloqueada a 23 abr. 2024 às 0:27

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
Desbloqueada a 22 out. 2024 às 0:43

Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.
Desbloqueada a 21 out. 2024 às 23:47

Centripetal Attraction

Kill 20 Enemies with the Hivehand.
Desbloqueada a 22 out. 2024 às 2:20

Convection Refinement

Ruin the microwave casserole.
Desbloqueada a 23 abr. 2024 às 0:26

Dead Reckoning

Kill an Assassin with the .357 Magnum.
Desbloqueada a 22 out. 2024 às 2:12

Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.
Desbloqueada a 22 out. 2024 às 4:58

Ethically Questionable

Conduct all of the questionable research experiments.
Desbloqueada a 21 out. 2024 às 23:02

Futile Resistance

Kill 10 Enemies with Snarks.
Desbloqueada a 21 out. 2024 às 0:10

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
Desbloqueada a 21 out. 2024 às 2:40

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.
Desbloqueada a 22 out. 2024 às 2:26

Inflammatory Actions

Kill a Headcrab using fire.
Desbloqueada a 19 out. 2024 às 12:38

Kinetic Repulsion

Kill a Marine with their own Grenade.
Desbloqueada a 22 out. 2024 às 5:01

Mega Hertz

Kill 5 Enemies with one Grenade.
Desbloqueada a 21 out. 2024 às 4:03

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.
Desbloqueada a 17 out. 2024 às 23:16

Permeable Infrastructure

Use the alternate path in Office Complex.
Desbloqueada a 13 out. 2024 às 23:13

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Desbloqueada a 17 out. 2024 às 22:38

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
Desbloqueada a 4 out. 2024 às 1:54

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.
Desbloqueada a 13 out. 2024 às 22:20

Quantum Capacitance

Overcharge it anyway.
Desbloqueada a 21 out. 2024 às 2:46

Remote Detonation

Kill a Barnacle with a Satchel.
Desbloqueada a 16 out. 2024 às 23:13

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.
Desbloqueada a 13 out. 2024 às 22:28

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.
Desbloqueada a 22 out. 2024 às 5:11

Universal Gravitation

Get killed by your own Snarks.
Desbloqueada a 21 out. 2024 às 2:51

One Step Ahead

Kill 10 Enemies with Tripmines​​.
Desbloqueada a 22 out. 2024 às 4:30

Our Brains And Your Brawn

Assemble all the possible Scientists and Guards at the end of Office Complex.
Desbloqueada a 22 out. 2024 às 1:24

Less Than Desirable Consequences

Die in the AMS Beam before starting the experiment.
Desbloqueada a 21 out. 2024 às 2:22

Orbital Trajectory

Skip the opening Xen island with a secret jump.​
Desbloqueada a 21 out. 2024 às 4:51

Specimen GG

Take out all three Healing Crystals in Nihilanth’s Chamber at the same time​.
Desbloqueada a 22 out. 2024 às 0:36

Late for Work

Defeat Nihilanth in under 4 minutes.​
Desbloqueada a 21 out. 2024 às 22:34

Limitless Potential

Accept G-Man’s offer of employment.
Desbloqueada a 17 out. 2024 às 22:50

Rather an Anticlimax

Decline G-Man’s offer of employment.
Desbloqueada a 17 out. 2024 às 22:49

Well-Done

Cook a Grenade for too long.
Desbloqueada a 16 out. 2024 às 23:07



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.

Stealth Technology

Escape the Hangar in Surface Tension without alerting the Soldiers.

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.
+7

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