Use this glitch to have all weapons and items unlocked and fully upgraded when you start a game on any difficulty. - Beat the game on any difficulty to unlock the Challenges of Olympus - Finish all seven Challenges of Olympus to unlock the Combat Arena - Start a round in the Combat Arena on Titan difficulty (any other settings are your choice) - Die in quick succession, until the game asks you if you would like to switch to Easy Mode. Choose 'No'. Begin a new game, and enjoy. Best used immediately before attempting Chaos Mode.