Drakengard 2 PS2 Cheats

Hard difficulty:

Beat the game and save. Load your cleared file to start a new game under hard difficulty.

Extreme difficulty:

Beat the game under hard mode and save. Load that cleared file to start extreme difficulty.

Hidden endings:

Beat hard and extreme modes for 2 different endings.

Bonus Battle Selector:

Beat extreme difficulty, then collect all weapons.

Movie Viewer option:

Beat the game to unlock the movie viewer.

Thanks to Revolution Reader Drago and Snoeker!