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XBox - Batman: Dark Tomorrow cheats

Rooftop level: Get back on building:
Use the grappling hook and climb as high as it goes. Then, push A 
button and repeat it again until you are back on the building.

Worst ending:
Batman dead and didn't Disengaged the Satellite

Bad ending 
Batman dead and Satellite Disengaged

Better ending:
Ra's beated, but didn't Disengaged the Satellite

Good ending:
Ra's beated and Satellite Disengaged