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50 중 8 (16%) 개의 도전과제 완료:
개인 도전 과제
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
2015년 5월 18일 오전 6시 57분에 획득

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
2015년 5월 18일 오전 7시 50분에 획득

Convection Refinement

Ruin the microwave casserole.
2015년 5월 18일 오전 6시 55분에 획득

Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.
2015년 5월 18일 오전 9시 21분에 획득

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
2015년 5월 20일 오후 1시 02분에 획득

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
2015년 5월 18일 오전 7시 51분에 획득

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.
2015년 5월 18일 오전 6시 50분에 획득

Remote Detonation

Kill a Barnacle with a Satchel.
2015년 5월 18일 오후 1시 54분에 획득



Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.

Centripetal Attraction

Kill 20 Enemies with the Hivehand.

Dead Reckoning

Kill an Assassin with the .357 Magnum.

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.

Inflammatory Actions

Kill a Headcrab using fire.

Kinetic Repulsion

Kill a Marine with their own Grenade.

Mega Hertz

Kill 5 Enemies with one Grenade.

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.

Permeable Infrastructure

Use the alternate path in Office Complex.

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.

Quantum Capacitance

Overcharge it anyway.

Rare Specimen

Send the Hidden Hat to Xen.

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.

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.

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.

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.

Well-Done

Cook a Grenade for too long.
+7

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