Duo Hack.com Sonic Fixed -

Tools like Lunar IPS or Floating IPS are used to merge the fix with your ROM.

Most of these "Fixed" versions require a legal ROM of the original game and a patching tool. Duo Hack.com Sonic Fixed

You must have a legal, unmodified ROM of the original game (e.g., Sonic the Hedgehog 2 ). Tools like Lunar IPS or Floating IPS are

, 2, or 3 & Knuckles) or provide more detail on these types of hacks? Sonic the Hedgehog 2 ).