Unlock Credits:
Beat the game on any difficulty.
Unlock Deleted Levels:
Beat the game on any difficulty.
Unlock Heroic Possibilities:
Beat the game on any difficulty.
Unlock Monsters of Myth:
Beat the game on any difficulty.
Unlock God Mode (difficulty):
Beat the game on any difficulty.
Unlock Challenge of the Gods:
Beat the game on any difficulty.
Unlock A Secret Revealed:
Beat the game on God Mode difficulty.
Unlock The Fate of the Titans:
Beat the game on God Mode difficulty.
Unlock In-Game Movies:
Beat the game on any difficulty.
Unlock Character Graveyard:
Beat the game on any difficulty.
Unlock The Birth of the Beast:
Beat the game on any difficulty.
Unlock Visions of Ancient Greece:
Beat the game on any difficulty.
