To get this running, you typically need to follow these steps: Acquire the Base ROM : You need a clean Pokémon Fire Red (U) (v1.0) Apply the Moémon Patch : Download the Moémon Mega FireRed patch from a reputable source like the pokeromwiki and use a tool like or an online patcher to apply it to your base ROM. Randomize the Patched ROM Universal Pokemon Randomizer