Megaman X Collection US Action Replay Codes
These are all of the US Action Replay Codes that I have for the Megaman X Collection for the Nintendo Gamecube. If you're in need of the UK Action Replay codes for MegaMan X Collection instead please follow the link provided to be taken to that guide.
When using Action Replay codes for the Nintendo Gamecube you'll need to enable the Master Code before any of the codes you use will work. If you are playing on an Emulator such as the Dolphin you won't have to use any Master Codes as the emulator works differently than the physical console.