Instructions
Navigate to "System Settings" in the "My Xbox" menu using your Xbox 360 console and a controller.
Choose "Memory" from the System Settings menu and then select "Games."
Scroll down to "Dead Rising" (the list of games will be alphabetized) and select it.
Modify your "Dead Rising" game save. Select "Copy" to copy it to another storage device; select "Move" to move it to another storage device; or, select "Delete" to remove the game save completely.