Earn all 3 stars in at least 15 different Special Op missions.

Destroy 20 Helicopters in a single Helicopter flight.

Catch any object tossed by a Hydra; and throw it back.

Beat the game

Summon every Soul with the Claws of Hades

Solve the Three Judges

Save Pandora

Acquire the Boreas Icestorm

Kill Cronos

Gut 3 Centaur Generals

Kill the Poseidon Princess

Burn 100 enemies with the Bow of Apollo

Kill Helios