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).
God of War II 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.
God of War II Unlockable: Hydra Armor
You must finish the game on any difficulty level.
God of War II Unlockable: Athena Costume
You must complete the game on Titan mode.
God of War II Unlockable: Hercules
Finish the game on Titan mode.
God of War II Unlockable: High Definition Mode
You must enter L1, L2, L3, CIRCLE and SQUARE all at once.
God of War II Hint: The Urn of Gaia
Its located on the Colossus level just before you see the Colossus' eye through the window. Its at the first block moving puzzle where there are a series of rooms and metal doors you need to open. First you have to destroy the statue on top of the moving block. Then when you get into the next room where there are doors on all sides of you, go into the room on your right while pushing the block. Push it all the way down the hall and then jump on top of it to access 2 blood chests and the urn of gaia.