Thread:WikiExpertXV/@comment-12684213-20190427032548/@comment-12684213-20190505204548

Of course the best example of a Sonic hack is Knuckles in Sonic 1, since it was a game that Sega wanted to make for the lock-on for Sonic 1 to Sonic & Knuckles. But never came to reality due to the color palette issue from Knuckles himself, which was fixed in the hack.