Modifying your own personal saves for offline use exists in a legal gray area. It becomes a clear violation of the Xbox Live Terms of Service if you use modded content to gain an unfair advantage online.
If you are looking for an updated version to use on a live account, consider the following: xbox360gpdeditor+updated
Xbox 360 GPD (Game Profile Data) editors are tools used to modify game-specific data within your Xbox 360 profile, such as unlocking achievements, modifying stats, or adding items. As of 2026, many of these classic editors (like those for or Gears of War Modifying your own personal saves for offline use