o-------------------------o | Quick Installation Guide| o-------------------------o Patching a game is usually a very easy process, specially with IPS Patches. There's a variety of programs that work with IPS files, but the most famous one is named Lunar IPS, also called LIPS. This hack is to be patched on a Pokémon Crystal 1.1 ROM file. More specifically, this rom: Pokemon - Crystal Version (UE) (V1.1) [C][!].gbc CRC-32 : 3358E30A You open your patcher, and then point to it to the IPS patch and the original, unmodded ROM. It will apply it and inform you when it's finished, it should be quick. Now, there's 4 Patches in total. The hack comes in two varieties, Original and Alternative. The content changes a bit with each one. Beyond that, both versions also have two varietes, one being the main one, where you can't abuse Items during battles or switch Pokémon after knocking an foe out, and one where you can do both, but with some changes should you choose that version and abuse those advantages. CHOOSE ONLY ONE. To read all the details about the different, versions check the details at the not-surprisingly-named "Patch Differences" section of the full Readme. And yes, the patch weights almost 75% of the original game.