Cheats and Tricks - Doom 3 Collector's Edition

The Doom 3 Collector's Edition for Xbox includes both Ultimate Doom and Doom II. But how do you enter IDKFA for these classic games without a keyboard? Don't worry, the codes are there. For God mode, hold the Left Trigger and tap A four times. Reveal the full map with Left Trigger and four Y pushes. Get very happy with all weapons and ammo using the Left Trigger and four B button presses. No word yet on any actual Doom 3 cheats...