even MORE
🔒 Hidden Achievement
MORE and MORE
🔒 Hidden Achievement
MORE
🔒 Hidden Achievement
Drill Sergeant
Complete every Practice Drill (any difficulty)
Singularity Collapse
🔒 Hidden Achievement
Giant Killer
Survive the rooftop strider battle in the ruins of City 17.
One Man Army
Destroy six gunships in Half-Life 2.
Fight the Power
Shut down the supression device by disabling its generators.
Plaza Defender
Survive the generator plaza standoff in chapter Anticitizen One.
Radiation Levels Detected
Get through the toxic tunnel under City 17 in Half-Life 2.
Follow Freeman
Gain command of a squad of rebels in the uprising.
Warden Freeman
Survive the second turret standoff in Nova Prospekt.
Bug Hunt
Use the antlions to kill 50 enemies.
OSHA Violation
Kill 3 enemies using the crane.
Where Cubbage Fears to Tread
🔒 Hidden Achievement
Hallowed Ground
🔒 Hidden Achievement
Zero-Point Energy
Get the Gravity Gun in Black Mesa East.
Revenge!
Destroy the hunter-chopper in Half-Life 2.
Heavy Weapons
Get the airboat's mounted gun.
Anchor's Aweigh!
Get the airboat.