This version is widely considered "better" than others for several reasons:
: Unlike some "bad dumps" that can cause random crashes or visual glitches, the Squirrels dump is verified as a high-quality, stable copy of the original retail game. Notable Projects Using the 1636 Base 1636 pokemon fire red squirrels rom better
What's the difference between different roms? : r/PokemonROMhacks This version is widely considered "better" than others
The name "Squirrels" refers to the specific individual or group that originally dumped the game data from a physical cartridge. This specific dump (ID 1636) is a clean, 1.0 version of the US release. This specific dump (ID 1636) is a clean, 1
: The vast majority of ROM hacks, including heavyweights like Radical Red and Pokemon Unbound , are built specifically to work with the 1.0 Squirrels base. Using a 1.1 version or a different dump will often result in a "checksum mismatch" or a corrupted game that won't load.