Rip apart 1 Olympus Sentry

Kill Zeus

Collect all of the Gorgon Eyes

Acquire the Boreas Icestorm

Kill Cronos

Gut 3 Centaur Generals

Kill the Poseidon Princess

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

Defeat 20 enemies with a single punch, after softening them up with gunfire