Sever Gaia’s hand

Upgrade any weapon to the next level

Acquire the Bow of Apollo

Rip apart 1 Olympus Sentry

Crack the code.

Demonstrate killer economic sensibilities by taking down 3 enemies with a single bullet.

Silently take out 3 VC.

Escape Kowloon.

Retrieve the dossier and the defector from Hue City.

Kill 10 NVA with Dragon's Breath rounds.

Sabotage the Soviet space program.

Escape Vorkuta.