Learn About God Of War III's Deleted Scenes
Hopefully after you beat God of War III you checked out the awesome documentary that it came with. Despite how complete that chronicle appears to be, it skips over some awesome scenes that were deleted. If you're a fan of Kratos, you should probably check out this extra puzzle, altered final boss fight, and more.
The 1up video also reveals that the Labyrinth area was tapered and the developers' general design philosophies.