Kill Hermes and acquire his Boots

Cover Kratos in 500 buckets of blood by killing the enemies

Kill Hades

Upgrade any weapon to the next level

Kill Poseidon

Kill 5 enemies with a single frag grenade in the campaign.

Finish 5 Wager Matches "in the money."

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

Complete the campaign on any difficulty.

Make it through the NOVA 6 gas without dying on Rebirth Island.

Find the Soviet connection in Laos.

Escape the Past.

Retrieve the dossier and the defector from Hue City.