I forgot to change some contents in the text document, so I just did that. The patch file itself is the same as before (except the attached document), so please don't change the version number.
Metal Sonic in Sonic the Hedgehog 2. fully replacing Sonic into a playable Metal Sonic, Along with Bugfixes and 3 different playstyles for Metal Sonic.
ROM / ISO Information:
No-Intro Name: Sonic The Hedgehog 2 (World) (Rev A)