Collect all of the ‘Godly Possessions’

Open the Gates of Tisiphone

Successfully entertain Aphrodite

Kill Hercules

Kill Hermes and acquire his Boots

Sever Gaia’s hand

Cover Kratos in 500 buckets of blood by killing the enemies

Upgrade any weapon to the next level

Kill Poseidon

Storm the gulag.

Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.

Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.

Infiltrate the snowy mountain side base.