If you are developing a plugin or looking for common mod features, focus on these memory-based hacks:

Set a static value for GP Credits to buy any rider, bike, or gear immediately. Physics & Gameplay Enhancements:

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.

Developing features for on a JTAG/RGH (Reset Glitch Hack) modified Xbox 360 typically involves creating or utilizing a Trainer (XEX/DLL plugin) or modifying the game's TU (Title Update) files .

Useful for clearing difficult challenges like "Real Events 2014".