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Sonic.exe: Darkest Struggles [IN REWORKS] by FlexicodeDev - Game Jolt

Sonic.exe for android by It's Shadow - Game Jolt

Sonic2.exe Android Port by jkala - Game Jolt

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Friday Night Funkin' VS Sonic.EXE 2.5 by Mighter - Game Jolt

Sonic Exe PC Port (Original)

Sonic.exe The attack of the ghost round 1 by elprocoll - Game Jolt

Sonic.exe Simulator by sethie - Play Online - Game Jolt

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Sonic pc port (original version, android) by stas's ports - Play