Sonic the Hedgehog (2006, PC), Cancelled Games Wiki

Sonic the Hedgehog (also known as Sonic '06, Sonic 2006 or Sonic Next-Gen) is a 2006 platforming game in the Sonic the Hedgehog franchise. It was released as celebration for the 15th anniversary of the series. It was intended to be a reboot of the Sonic the Hedgehog franchise. Developed by Sonic Team and published by Sega, it was released for the Xbox 360 and later released for the PlayStation 3. A port for Microsoft Windows was planned but was cancelled. The Wii port was also planned but was re

SegaSonic the Hedgehog (lost build of cancelled 32X port of arcade platformer; existence unconfirmed; 1994) - The Lost Media Wiki

Sonic's Schoolhouse - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game

Sonic Adventure DX - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game

Sonic Generations - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game

Sonic Lost World, Awesome Games Wiki

Sonic the Hedgehog (2006) - The Cutting Room Floor

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Sonic the Hedgehog (8-bit) — StrategyWiki

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Sonic Riders (lost build of cancelled Game Boy Advance port of racing game; 2006) - The Lost Media Wiki

Sonic Colors — StrategyWiki Strategy guide and game reference wiki

Sonic Frontiers - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game

Sonic DS (lost Nintendo DS tech demo; 2004) - The Lost Media Wiki

Sonic the Hedgehog 3 - Wikipedia

Sonic the Hedgehog 2006 (lost build of Tokyo Toy Show tech demo of multiplatform platformer; 2005) - The Lost Media Wiki