Black Mesa

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.

Ethically Questionable

Conduct all of the questionable research experiments.

Kinetic Repulsion

Kill a Marine with their own grenade.

Futile Resistance

Kill 10 enemies with Snarks.

Hyper Saturation Conundrum

Drown in Lambda Core's coolant.

Digital Wizardry

Kill 10 enemies with a reprogrammed Sentry.

Resonance Procrastinator

Refuse to insert the specimen into the Anti-Mass Spectrometer.

Remote Detonation

Kill a Barnacle with a Satchel.

Nuclear Fishin'

Kill an Icthyosaur with either the Tau or Gluon.

Universal Gravitation

Get killed by your own Snarks.