Solve the Three Judges

Rip apart 1 Olympus Sentry

Solve Hera's Gardens

Open the Gates of Tisiphone

Successfully entertain Aphrodite

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

Successfully perform the off the line mechanic (No SuperSim, Co-Op, Practice or Skills Trainer)

Achieve a speed over 236 mph (380 km/h) on the Bonneville Salt Flats.