Use a tool like Xbox 360 Neighborhood or JRPC to find the memory address for a specific value (e.g., your current Credit count).
Write a small script or plugin that "pokes" a new value into that address (e.g., 0xFFFFFFFF for max credits) or NOPs (No Operation) the instruction that decrements your rewinds. MotoGP 15 [Jtag/RGH]
The Xbox Debug Monitor plugin, which allows your PC to communicate with your console for memory scanning. Use a tool like Xbox 360 Neighborhood or
Useful for clearing difficult challenges like "Real Events 2014". MotoGP 15 [Jtag/RGH]