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47 van de 50 (94%) prestaties behaald:
Persoonlijke prestaties
 

Brownian Motion

Pass the toilet paper to the Scientist in need.
Ontgrendeld op 7 jan 2022 om 3:35

Caffeine Extraction

Perform surgical caffeine extraction from 20 vending machines.
Ontgrendeld op 7 jan 2022 om 16:23

Calculated Trajectory

Kill 10 airborne Headcrabs using the Shotgun.
Ontgrendeld op 9 jan 2022 om 11:49

Centripetal Attraction

Kill 20 Enemies with the Hivehand.
Ontgrendeld op 13 jan 2022 om 12:09

Convection Refinement

Ruin the microwave casserole.
Ontgrendeld op 7 jan 2022 om 3:33

Dead Reckoning

Kill an Assassin with the .357 Magnum.
Ontgrendeld op 11 jan 2022 om 14:36

Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.
Ontgrendeld op 13 jan 2022 om 11:48

Ethically Questionable

Conduct all of the questionable research experiments.
Ontgrendeld op 11 jan 2022 om 16:49

Futile Resistance

Kill 10 Enemies with Snarks.
Ontgrendeld op 11 jan 2022 om 16:40

Gray Matter Propulsion

Headshot 20 Enemies with the .357 Magnum.
Ontgrendeld op 9 jan 2022 om 12:05

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.
Ontgrendeld op 22 jan 2022 om 12:45

Inflammatory Actions

Kill a Headcrab using fire.
Ontgrendeld op 7 jan 2022 om 15:06

Kinetic Repulsion

Kill a Marine with their own Grenade.
Ontgrendeld op 9 jan 2022 om 12:03

Mega Hertz

Kill 5 Enemies with one Grenade.
Ontgrendeld op 8 jan 2022 om 1:30

Nuclear Fishin'

Kill an Ichthyosaur with either the Tau or Gluon.
Ontgrendeld op 13 jan 2022 om 8:28

Permeable Infrastructure

Use the alternate path in Office Complex.
Ontgrendeld op 2 feb 2022 om 9:54

Premature Expulsion

Use an entire clip of Gluon ammo in one continuous shot.
Ontgrendeld op 22 jan 2022 om 12:34

Prophylactic Suggested

Get overtaken by a Headcrab's ample anterior.
Ontgrendeld op 9 jan 2022 om 12:58

Proverbial Tinkerer

Interfere with the alarm and laptop in Anomalous Materials.
Ontgrendeld op 2 feb 2022 om 9:22

Quantum Capacitance

Overcharge it anyway.
Ontgrendeld op 11 jan 2022 om 16:43

Remote Detonation

Kill a Barnacle with a Satchel.
Ontgrendeld op 9 jan 2022 om 12:34

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.
Ontgrendeld op 2 feb 2022 om 9:40

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.
Ontgrendeld op 14 jan 2022 om 4:10

Universal Gravitation

Get killed by your own Snarks.
Ontgrendeld op 11 jan 2022 om 16:34

Prolific Popper

Kill all Protozoans in the Borderworld.
Ontgrendeld op 31 jan 2022 om 17:18

PhD in Pacifism

Don't kill any Vortigaunts in the Borderworld.
Ontgrendeld op 31 jan 2022 om 15:24

One Step Ahead

Kill 10 Enemies with Tripmines​​.
Ontgrendeld op 9 jan 2022 om 13:27

Stealth Technology

Escape the Hangar in Surface Tension without alerting the Soldiers.
Ontgrendeld op 14 jan 2022 om 4:21

xen when

Wait too long to jump into the Lambda Teleporter.
Ontgrendeld op 23 jan 2022 om 11:56

Our Brains And Your Brawn

Assemble all the possible Scientists and Guards at the end of Office Complex.
Ontgrendeld op 2 feb 2022 om 10:16

Less Than Desirable Consequences

Die in the AMS Beam before starting the experiment.
Ontgrendeld op 2 feb 2022 om 9:36

Orbital Trajectory

Skip the opening Xen island with a secret jump.​
Ontgrendeld op 23 jan 2022 om 12:13

Following the Rules

Use the welcome mat.
Ontgrendeld op 23 jan 2022 om 12:30

Doctor’s Signature

Deliver the finishing blow to Gonarch with your Crowbar.
Ontgrendeld op 28 jan 2022 om 16:38

Gonad Glider

Get whacked into oblivion in the ledge fight.
Ontgrendeld op 28 jan 2022 om 14:38

Post-Mortem Interval

Find each member of the missing research teams.
Ontgrendeld op 28 jan 2022 om 16:47

The Plan

Use Cyanogen to kill Gonarch.
Ontgrendeld op 28 jan 2022 om 16:05

Unquestionably Ethical

Don't use the Cyanogen and let the Gonarch live.
Ontgrendeld op 28 jan 2022 om 16:12

Contest Propellant

Find the snack supply canister.
Ontgrendeld op 30 jan 2022 om 13:03

Black Mesa Decathlon Winner

Escape the Gargantua’s Lair without taking any damage from Gargantuas.
Ontgrendeld op 30 jan 2022 om 13:39

Anti-Matter Over Mind

Kill a Controller without killing any of its mind-controlled Vortigaunt slaves.
Ontgrendeld op 30 jan 2022 om 12:56

Specimen GG

Take out all three Healing Crystals in Nihilanth’s Chamber at the same time​.
Ontgrendeld op 31 jan 2022 om 16:04

Late for Work

Defeat Nihilanth in under 4 minutes.​
Ontgrendeld op 31 jan 2022 om 16:07

Limitless Potential

Accept G-Man’s offer of employment.
Ontgrendeld op 31 jan 2022 om 16:11

Rather an Anticlimax

Decline G-Man’s offer of employment.
Ontgrendeld op 31 jan 2022 om 16:12

Pepperoni Precipitation

View the *other* secret ending.
Ontgrendeld op 31 jan 2022 om 16:09

Well-Done

Cook a Grenade for too long.
Ontgrendeld op 2 feb 2022 om 9:19



Rare Specimen

Send the Hidden Hat to Xen.

Laser Immunization

Complete Interloper without taking any laser damage.
+1

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