Solution: Your default.xex is corrupt or the DLC is mismatched. Delete the TU (Title Update) and re-copy the base GOD folder. Ensure your console is running Dashlaunch 3.21 or higher with contpatch = false (since this game has no AP 2.5 checks).

On a standard retail Xbox 360, you must insert the disc or download a digital copy. On JTAG/RGH:

Creator: Xbox360HackUser (Digiex archive) What it does: Press Start + Back on controller 1 to instantly unlock all 17 Titan forms, including the secret "Ratcicle King" which is normally only seen in the final boss fight. Why you need it: The retail game limits your Titan access until the endgame. With this trainer, you can explore the entire open world as the flying Snipe or the super-powered Magmadon from the very first level.