Perform a 1000-hit combo

Gut 3 Centaur Generals

Kill the Poseidon Princess

Blind 100 enemies with the Head of Helios

Deliver 50 kicks to Hounds

Burn 100 enemies with the Bow of Apollo

Upgrade any weapon to the next level

Cover Kratos in 500 buckets of blood by killing the enemies

Acquire the Bow of Apollo

Rip apart 1 Olympus Sentry

Decompress 20 Necromorphs without getting sucked out yourself

Dismember 2,500 Necromorph Limbs (single player only)

Kill 50 Necromorphs while they are in Stasis (single player only)