If you are trying to verify if your file is the correct one, look for these specs in your emulator or file properties:

"FireRed 1636" typically refers to the ROM. This specific file is the industry standard for Pokemon ROM hacking due to its "clean" status, meaning it has not been modified by previous users, making it a reliable base for creating and playing fan-made games.

While it might look like a random string of numbers, it is the industry standard "scene ID" used by the ROM hacking community to identify a clean, unmodified version of the game. Because many modern Pokémon fan games are actually "patches" rather than full games, they require this specific 1636 base file to work correctly. Why is FireRed 1636 So Popular?

Including Pokémon from the most recent Nintendo Switch titles into the 2D engine.