Sonic Mania Plus' Upcoming Features, Changes Accidentally Leaked By 'Sonic Mania' Patch

Sega appears to have accidentally leaked the upcoming features and changes of “Sonic Mania Plus.”

Sonic Origins, Sonic Wiki Zone

Sonic Mania Plus - Official Trailer : r/Games

Sonic Mania - PS4 Update Published By Accident!

SONIC MANIA PLUS LEAKED! FULL ANGEL ISLAND ZONE AND ALL NEW CUTSCENES DLC GAMEPLAY

Sonic Mania Plus LOST BITS MORE Unused Content and Debug Mode Secrets [TetraBitGaming]

Taxman Sonic decompilation developer makes tool that allows you to level edit all Retro Engine games

Sonic Origins, Sonic Wiki Zone

Sonic News, Page 2

Talk:Sonic Mania - The Cutting Room Floor

Developers hid a heartfelt tribute to a deceased fan hacker in 'Sonic Mania

Sonic News, Page 2