is the universal Xbox 360 folder name designated specifically for Downloadable Content. Step 3: Place the DLC Files

The original DLC packs, which added nearly 30 new stages to the game, were removed from digital storefronts years ago.

Ensure you have a clean digital copy of Sonic Unleashed (BLUS30244 or BLES00425).

You can find these and many more on community hubs like GameBanana and SonicHacking.org.