1636 Pokemon Fire Red - U-- Squirrels !!better!! -

Many popular fan-made games require this exact file—often labeled "1636" and/or "(Squirrels)"—to ensure the game doesn't crash or glitch after patching.

If you are planning to play one of these popular hacks, you will likely need this specific ROM as your "base" file: Pokémon Unbound : Widely considered one of the most advanced GBA hacks. Pokémon Radical Red 1636 Pokemon Fire Red - U-- Squirrels