Sega Master System / Mark III / Game Gear
Hacks are generally distributed as patches to reduce download size and avoid copyright issues. To create the final patched file, you will need:
We provide patches in two formats:
This is a very old format which has been widely used for many years. IPS files do not include any check that the patch is applied to the correct file - please check that you have the correct size and version file before and after patching.
This is a much more modern format than IPS and has several advantages: