Jeu
Pepperoni Precipitation
53
pts
The Rarest Specimen
50
pts
Prolific Popper
Kill all Protozoans in the Borderworld.
50
pts
Post-Mortem Interval
Find each member of the missing research teams.
50
pts
Unquestionably Ethical
43
pts
Laser Immunization
Complete Interloper without taking any laser damage.
42
pts
The Plan
40
pts
Rare Specimen
Send the Hidden Hat to Xen.
36
pts
Specimen GG
Take out all three Healing Crystals in Nihilanth’s Chamber at the same time.
32
pts
Doctor’s Signature
Deliver the finishing blow to Gonarch with your Crowbar.
31
pts
Late for Work
Defeat Nihilanth in under 4 minutes.
30
pts
Black Mesa Decathlon Winner
Escape the Gargantua’s Lair without taking any damage from Gargantuas.
28
pts
Orbital Trajectory
Skip the opening Xen island with a secret jump.
26
pts
Following the Rules
26
pts
xen when
23
pts
Our Brains And Your Brawn
Assemble all the possible Scientists and Guards at the end of Office Complex.
20
pts
Ethically Questionable
Conduct all of the questionable research experiments.
19
pts
Gonad Glider
Get whacked into oblivion in the ledge fight.
17
pts
One Step Ahead
Kill 10 Enemies with Tripmines.
17
pts
Hyper Saturation Conundrum
Drown in Lambda Core's coolant.
17
pts
Kinetic Repulsion
Kill a Marine with their own Grenade.
17
pts
Unified Coupling Theorum
Help the Barnacle and Headcrab find true love.
16
pts
Futile Resistance
Kill 10 Enemies with Snarks.
14
pts
Digital Wizardry
Kill 10 enemies with a reprogrammed Sentry.
11
pts
Resonance Procrastinator
Refuse to insert the specimen into the Anti-Mass Spectrometer.
11
pts
Stealth Technology
Escape the Hangar in Surface Tension without alerting the Soldiers.
10
pts
Universal Gravitation
Get killed by your own Snarks.
10
pts
Contest Propellant
9
pts
Remote Detonation
Kill a Barnacle with a Satchel.
9
pts
PhD in Pacifism
Don't kill any Vortigaunts in the Borderworld.
9
pts
Nuclear Fishin'
Kill an Ichthyosaur with either the Tau or Gluon.
8
pts
Calculated Trajectory
Kill 10 airborne Headcrabs using the Shotgun.
8
pts
Less Than Desirable Consequences
Die in the AMS Beam before starting the experiment.
6
pts
Rather an Anticlimax
Decline G-Man’s offer of employment.
6
pts
Proverbial Tinkerer
Interfere with the alarm and laptop in Anomalous Materials.
6
pts
Mega Hertz
Kill 5 Enemies with one Grenade.
5
pts
Well-Done
Cook a Grenade for too long.
5
pts
Quantum Capacitance
Overcharge it anyway.
5
pts
Caffeine Extraction
Perform surgical caffeine extraction from 20 vending machines.
5
pts
Centripetal Attraction
Kill 20 Enemies with the Hivehand.
4
pts
Dead Reckoning
Kill an Assassin with the .357 Magnum.
4
pts
Permeable Infrastructure
Use the alternate path in Office Complex.
4
pts
Limitless Potential
Accept G-Man’s offer of employment.
4
pts
Inflammatory Actions
Kill a Headcrab using fire.
4
pts
Premature Expulsion
Use an entire clip of Gluon ammo in one continuous shot.
4
pts
Anti-Matter Over Mind
Kill a Controller without killing any of its mind-controlled Vortigaunt slaves.
4
pts
Prophylactic Suggested
Get overtaken by a Headcrab's ample anterior.
3
pts
Gray Matter Propulsion
Headshot 20 Enemies with the .357 Magnum.
3
pts
Convection Refinement
Ruin the microwave casserole.
2
pts
Brownian Motion
Pass the toilet paper to the Scientist in need.
2
pts