Before you wet yourself in excitement, God Mode in God of War does not make you invincible. On the contrary, God Mode is the most difficult setting of the game. Fortunately, unlocking it isn't that difficult—just complete the game on any of the three standard difficulty settings.
Unlockable: Challenge of Hades
Simply complete the normal game on any difficulty to unlock the first Challenge of Hades. There are subsequent challenges that are, in turn, unlocked by completing the challenge before it.
