: Adds every Pokémon up to Gen 9, Mega Evolution, and Z-Moves. Pokémon Unbound

In the ROM-hacking community, this version is considered the gold standard "clean" base for applying patches to create popular fan games like Pokémon Radical Red Pokémon Unbound Pokémon Gaia Why is this specific ROM important? Version Compatibility

So, what does 1636 have to do with Pokémon Fire Red Squirrels ROM? The answer lies in the game's coding. The ROM's code contains a unique identifier, "1636," which is believed to be a signature or a watermark left by the game's creators. This code has become a sort of Easter egg, hidden throughout the game, and has sparked curiosity among fans.

If you play the 1636 ROM without any patches, it remains a replica of the 2004 FireRed experience with: