Sonic eXtended Genesis, aka Sonic XG, is a Sonic fangame created by Euan "Sir Euan" Gallacher and Joseph "Nitemare" Waters, and has gone through many different variations in the past. Its most recent build was released on August 17th, 2023.

Headcannon

Sonic the Hedgehog: Project Mettrix is a fan game led by Stealth, created using his own E02 Headcannon Game Engine. This platform makes this game available to DOS, Windows, Linux, MacOSX, PSP (CFW), and Wii (Homebrew Channel) users, and has allowed a significant amount of mechanical evolution from the game's earlier incarnations.

BlazeHedgehog

Poulto

Yuski

A Mighty the Armadillo hack for Sonic the Hedgehog it's fan-made ROM modification that replace Sonic with Mighty the Armadillo character.

Blazefire Productions

The second game starring Blaze the Hedgehog (BlazeHedgehog's Sonic fan character).

Blazefire Productions

A game starring BlazeHedgehog's Sonic fan character: Blaze the Hedgehog.

E-107 Theta