Here is a hack for Sonic where you not only play through the levels but every so often you will warp to an alternate dimension where you cant hurt some enemies and you are being chased by "creepypasta" sonic... You only means to temporarily escape the twisted dimension is to smash an item box.
Sonic The Hedgehog (USA_ Europe).md - NOINTRO
CRC32: F9394E97
MD5: 1BC674BE034E43C96B86487AC69D9293
SHA-1: 6DDB7DE1E17E7F6CDB88927BD906352030DAA194
SHA-256: 46160BAA06362C711C9F1A5017CB7371026444936C8AF5E93A78996CF32FF2A6