Sonic Collision

Sonic Collision is a completely original, story-driven Sonic fan game made by Studio Allfire.

At the center of the story is a catastrophic event that connects Sonic and Blaze’s worlds, bringing back a long-lost prince—someone who isn’t just trying to conquer the Sol Dimension, but Sonic’s world as well.

Sonic, Shadow, and Blaze are pulled into a much larger conflict—one that forces them to stop this rising threat… and uncover who this prince really is, and what shaped him...