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11.01%
Unified Coupling Theorum
Help the Barnacle and Headcrab find true love.
11.90%
Ethically Questionable
Conduct all of the questionable research experiments.
12.30%
Kinetic Repulsion
Kill a Marine with their own grenade.
12.59%
Futile Resistance
Kill 10 enemies with Snarks.
14.12%
Hyper Saturation Conundrum
Drown in Lambda Core's coolant.
16.39%
Digital Wizardry
Kill 10 enemies with a reprogrammed Sentry.
18.58%
Resonance Procrastinator
Refuse to insert the specimen into the Anti-Mass Spectrometer.
18.94%
Remote Detonation
Kill a Barnacle with a Satchel.
18.98%
Nuclear Fishin'
Kill an Icthyosaur with either the Tau or Gluon.
19.87%
Universal Gravitation
Get killed by your own Snarks.
22.30%
Well-Done
Cook a Grenade for too long.
25.05%
Calculated Trajectory
Kill 10 Airborne Headcrabs using the Shotgun.