Sonic the Hedgehog Extreme (May 27, 2003 prototype) - Hidden Palace
Rumour: Sonic Free Riders Coming To XBLA? - The Sonic Stadium
More Details And Footage Of The Canceled Sonic Skateboard Game Emerge - GameSpot
Fans cobble together playable demo for abandoned Sonic X-Treme – Destructoid
Sonic the Hedgehog Extreme (May 27, 2003 prototype) - Hidden Palace
Sonic the Hedgehog Extreme (May 27, 2003 prototype) - Hidden Palace
Sonic Riders - Xbox - Walmart.com
Sonic Extreme's Death in Development: The Sonic X-Treme Trilogy | The Art of Failure - YouTube
Salen a la luz nuevos detalles del cancelado Sonic Extreme - Videojuegos - Artículos - Portada - Sonic Reikai
Beta + Cancelled Sonic Video Games - Unseen64
Sonic Extreme (Cancelled 2003-2006 Xbox Game) | Lost Media Archive | Fandom
Unseen64 looks into the cancelled Sonic Extreme » SEGAbits - #1 Source for SEGA News
Sonic the Hedgehog Extreme | Sonic News Network | Fandom
Xbox 360 - Sonic Free Riders - Sonic - The Models Resource
Gaming Mysteries: Sonic The Hedgehog Extreme (Xbox) UNRELEASED - YouTube
Cancelled Sonic Skateboarding Game Revealed
Sonic Extreme (Xbox) / Tech Deck BKG Music - THQM1.wav - YouTube
Sonic Extreme Xbox: Revisiting the Dead Sonic Skateboarding / Hoverboarding Game | NeoGAF
Unreleased Xbox Game "Sonic Extreme" Discovered - The Sonic Stadium
Sonic Extreme Xbox: Extended Gameplay Footage - YouTube
Sonic Extreme Archives - Sonic Retro
![Xbox 360 GUI (WII) [Sonic Riders Zero Gravity] [Mods]](https://images.gamebanana.com/img/ss/mods/624d8e53cb951.jpg "Xbox 360 GUI (WII) [Sonic Riders Zero Gravity] [Mods]")
Xbox 360 GUI (WII) [Sonic Riders Zero Gravity] [Mods]
Sonic The Hedgehog : PlayStation 4 Games : Target
Amazon.com: Sonic Riders - Xbox : Artist Not Provided: Video Games
