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Persoonlijke prestaties
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Ontgrendeld op 15 mei 2015 om 6:29

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
Ontgrendeld op 23 jun 2015 om 3:02

Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.
Ontgrendeld op 29 jan 2016 om 7:04

Centripetal Attraction

Kill 20 Enemies with the Hivehand.
Ontgrendeld op 29 jan 2016 om 9:41

Convection Refinement

Ruin the microwave casserole.
Ontgrendeld op 15 mei 2015 om 7:36

Dead Reckoning

Kill an Assassin with the .357 Magnum.
Ontgrendeld op 29 jan 2016 om 10:08

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
Ontgrendeld op 15 mei 2015 om 10:12

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.
Ontgrendeld op 29 jan 2016 om 10:31

Mega Hertz

Kill 5 Enemies with one Grenade.
Ontgrendeld op 8 mrt 2020 om 5:59

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.
Ontgrendeld op 29 jan 2016 om 6:57

Permeable Infrastructure

Use the alternate path in Office Complex.
Ontgrendeld op 15 mei 2015 om 9:12

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Ontgrendeld op 29 jan 2016 om 14:16

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
Ontgrendeld op 14 jun 2015 om 0:39

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.
Ontgrendeld op 29 jan 2016 om 13:54

Quantum Capacitance

Overcharge it anyway.
Ontgrendeld op 29 jan 2016 om 6:54

Remote Detonation

Kill a Barnacle with a Satchel.
Ontgrendeld op 29 jan 2016 om 10:42

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.
Ontgrendeld op 29 jan 2016 om 14:07

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.
Ontgrendeld op 29 jan 2016 om 10:46

Universal Gravitation

Get killed by your own Snarks.
Ontgrendeld op 29 jan 2016 om 9:01

PhD in Pacifism

Don't kill any Vortigaunts in the Borderworld.
Ontgrendeld op 8 mrt 2020 om 10:12

Anti-Matter Over Mind

Kill a Controller without killing any of its mind-controlled Vortigaunt slaves.
Ontgrendeld op 8 mrt 2020 om 6:36

Limitless Potential

Accept G-Man’s offer of employment.
Ontgrendeld op 8 mrt 2020 om 10:56

Rather an Anticlimax

Decline G-Man’s offer of employment.
Ontgrendeld op 8 mrt 2020 om 10:54



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.

Inflammatory Actions

Kill a Headcrab using fire.

Kinetic Repulsion

Kill a Marine with their own Grenade.

Rare Specimen

Send the Hidden Hat to Xen.

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.
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