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Persoonlijke prestaties
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Ontgrendeld op 30 okt 2020 om 11:35

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
Ontgrendeld op 30 okt 2020 om 15:43

Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.
Ontgrendeld op 7 nov 2020 om 17:04

Centripetal Attraction

Kill 20 Enemies with the Hivehand.
Ontgrendeld op 6 nov 2020 om 16:00

Convection Refinement

Ruin the microwave casserole.
Ontgrendeld op 30 okt 2020 om 11:34

Dead Reckoning

Kill an Assassin with the .357 Magnum.
Ontgrendeld op 3 nov 2020 om 16:20

Futile Resistance

Kill 10 Enemies with Snarks.
Ontgrendeld op 7 nov 2020 om 16:52

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
Ontgrendeld op 3 nov 2020 om 14:22

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.
Ontgrendeld op 6 nov 2020 om 17:46

Inflammatory Actions

Kill a Headcrab using fire.
Ontgrendeld op 3 nov 2020 om 17:21

Kinetic Repulsion

Kill a Marine with their own Grenade.
Ontgrendeld op 3 nov 2020 om 15:12

Mega Hertz

Kill 5 Enemies with one Grenade.
Ontgrendeld op 30 okt 2020 om 14:32

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.
Ontgrendeld op 7 nov 2020 om 17:19

Permeable Infrastructure

Use the alternate path in Office Complex.
Ontgrendeld op 30 okt 2020 om 14:27

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Ontgrendeld op 6 nov 2020 om 17:42

Quantum Capacitance

Overcharge it anyway.
Ontgrendeld op 5 nov 2020 om 17:39

Remote Detonation

Kill a Barnacle with a Satchel.
Ontgrendeld op 7 nov 2020 om 17:02

PhD in Pacifism

Don't kill any Vortigaunts in the Borderworld.
Ontgrendeld op 17 nov 2020 om 9:29

One Step Ahead

Kill 10 Enemies with Tripmines​​.
Ontgrendeld op 7 nov 2020 om 16:58

Stealth Technology

Escape the Hangar in Surface Tension without alerting the Soldiers.
Ontgrendeld op 6 nov 2020 om 16:49

Doctor’s Signature

Deliver the finishing blow to Gonarch with your Crowbar.
Ontgrendeld op 15 nov 2020 om 16:47

Contest Propellant

Find the snack supply canister.
Ontgrendeld op 15 nov 2020 om 17:44

Anti-Matter Over Mind

Kill a Controller without killing any of its mind-controlled Vortigaunt slaves.
Ontgrendeld op 15 nov 2020 om 17:41

Specimen GG

Take out all three Healing Crystals in Nihilanth’s Chamber at the same time​.
Ontgrendeld op 20 nov 2020 om 17:29

Late for Work

Defeat Nihilanth in under 4 minutes.​
Ontgrendeld op 20 nov 2020 om 17:31

Limitless Potential

Accept G-Man’s offer of employment.
Ontgrendeld op 20 nov 2020 om 17:35

Rather an Anticlimax

Decline G-Man’s offer of employment.
Ontgrendeld op 20 nov 2020 om 17:34



Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.

Ethically Questionable

Conduct all of the questionable research experiments.

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.

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.

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.​

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.

Well-Done

Cook a Grenade for too long.
+6

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