Sonic X-treme - Wikipedia

List of Sonic the Hedgehog characters - Wikipedia

Sonic X-Treme, Wiki

The Featured Article today on Wikipedia is about the cancelled Sonic X-Treme! : r/SegaSaturn

Saturn - Sonic X-treme - TechDemo Mars Sonic - The Models Resource

Original Never-Before-Seen Screenshots of Cancelled Game 'Sonic X-treme' Unearthed - Games - Sonic Stadium

Secrets of Sonic Team=

Sonic X-treme - Wikipedia

Sonic X-treme - Wikiwand

Sonic X-Treme (book), Sonic Wiki Zone

Knuckles the Echidna/Gallery - Sonic News Network, the Sonic Wiki

Original Never-Before-Seen Screenshots of Cancelled Game 'Sonic X-treme' Unearthed - Games - Sonic Stadium

Sonic & Sega All-Stars Racing (lost prototype builds of multiplatform racing game; late-2000s) - The Lost Media Wiki

Original Never-Before-Seen Screenshots of Cancelled Game 'Sonic X-treme' Unearthed - Games - Sonic Stadium