Collect all of the Phoenix Feathers

Perform a 1000-hit combo

Gut 3 Centaur Generals

Kill the Poseidon Princess

Blind 100 enemies with the Head of Helios

Kill Hermes and acquire his Boots

Burn 100 enemies with the Bow of Apollo

Sever Gaia’s hand

Discover the secret 'Hades Arm' room

Rip apart 1 Olympus Sentry

Kill Poseidon

Collect all the lums flying above the bouncing island in "The Mysterious Inflatable Island"