1. Download the attached file.
2. Unrar the files
3. Drop the extracted "Dead Space 3" Folder to your XBOX 360 HDD
4. Launch Trainer_Launcher.xex (It will send you back to the Official Dash)
5. You can now start the game
6. Press Start+Back while in the game and follow the on-screen instructions
TU 1 Download Link::
Here's other engine, for anyone who likes that. Thanks to xJACKASSx