Upgrade a weapon in the Single Player Campaign

In Ascension, escape on all 3 lunar landers.

Play Zork on the terminal.

Watch a film or clip with a friend.

Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.

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

Break free from the torture chair.

Destroy all targets and structures while making your way up the river.

Silently take out 3 VC.

Escape Kowloon.

Kill 10 NVA with Dragon's Breath rounds.

Sabotage the Soviet space program.