Check out these guides to help you set up the unofficial PC port:
: You must provide your own game files from a legitimate Xbox 360 copy of Sonic Unleashed to "recompile" the game into a PC version. Sonic Unleashed Game Download For PC Full Version
This is an unofficial, community-made port that runs natively on Windows and Linux without an emulator. It is widely considered the best way to play the game today. Check out these guides to help you set
: Uncapped frame rates, 4K resolution support, ultrawide monitor support, and reduced loading times. 4K resolution support
: The project files are hosted on the Unleashed Recompiled GitHub .