For those who may not know, JTAG ( Joint Test Action Group) and RGH (Reset Glitch Hack) are methods of jailbreaking or hacking the Xbox 360 console, allowing users to run unauthorized code and homebrew applications. A JTAG/RGH full version of the game typically refers to a modified version of the game that can be played on a jailbroken or hacked Xbox 360 console without requiring a valid game disc or online activation.