Challenge of the Titans:
Complete the game to unlock this seven room challenge.

Arena of the Fates:
Earn the rank of Titan in Challenge Mode to unlock.

Titan Mode:
Complete the game to unlock this harder difficulty.

Urns of Power:
Complete the game to employ in play (you find 4 of the 6 through your adventure;
The last two you must earn through high ranks in the challenges).

Bonus Costumes
There are seven bonus costumes to unlock.
Costume 1
Complete the game on any difficulty.

Costume 2
Complete the game on any difficulty.

Costume 3
Complete the game on God Mode.

Costume 4
Complete the game on Titan mode.

Costume 5
Complete the game on Titan mode.

Costume 6
Collect 20 Cyclops Eyes in the main game.

Costume 7
Receive the God ranking in Challenge mode.

Unlockable: Hydra Armor
You must finish the game on any difficulty level.

Unlockable: Athena Costume
You must complete the game on Titan mode.

Unlockable: Hercules
Finish the game on Titan mode.

Unlockable: High Definition Mode
You must enter L1, L2, L3, CIRCLE and SQUARE all at once.