Pokemon Fire Red Wild Modifier Codes: Names that begin with 'R' (USA)
This page contains Wild Pokemon Modifier Gameshark cheat codes for Pokemon Fire Red (USA). If you're playing on an emulator you can usually input codes very easily by accessing a tab off the top of the toolbar. Anyone playing on a physical Gameboy will need to purchase a physical Gameshark device to use these codes.
If you're using an emulator and still can't figure out how to setup these codes, you're in luck! There's two common emulators for GBA games, the mGBA and VisualBoy Advance. Follow the link provided for the emulator you're using to be taken to a guide explaining how to get these codes working.
Don't see the code you're looking for on this page? Head on over to my Pokemon FireRed (USA) Gameshark Codes and check for your code there instead!
The codes on this page will change the type of Wild Pokemon you encounter out in the field while leaving the Pokemon's stats/level/attributes the same as the Pokemon your encounter. I've personally tested many of these codes and can confirm that they work. However, I have a simple cavaet to that... If you're using a version of Pokemon Fire Red/Leaf Green that is a fan edit/hack then these codes will not work. To learn more about hacked ROMs and how to identify them follow the link provided.
After using the codes on this page and deleting them/turn them off, the wild pokemon you encounter out on the field will still be altered. To fix this, save (regularly or with a save state) and then close out your emulator/turn off your game. When you load it back up, everything will be back to normal.
Raichu (Pokedex #26)
17543C48 E65E0B97
CE7B779B AE493550
Raikou (Pokedex #243)
17543C48 E65E0B97
43FF33D1 F368CDE6
Rapidash (Pokedex #78)
17543C48 E65E0B97
195BAD3F C840CA28
Raticate (Pokedex #20)
17543C48 E65E0B97
60C9DC15 1AD9B226
Rattata (Pokedex #19)
17543C48 E65E0B97
E5C49E22 47B157F2
Remoraid (Pokedex #223)
17543C48 E65E0B97
A67D580A B44A4DF4
Rhydon (Pokedex #112)
17543C48 E65E0B97
9071D41E 55259C19
Rhyhorn (Pokedex #111)
17543C48 E65E0B97
7DA9C8C7 8549C3D4