For the millions playing on emulators (like Visual Boy Advance, My Boy!, or Delta) on their phones, PCs, or handhelds, the classic method of evolving a Haunter into Gengar or a Kadabra into Alakazam is a nightmare. You cannot use a link cable with an emulator easily. You cannot trade with yourself without running two instances of a program. And external cheat codes often corrupt your save file or crash the game.
Universal Pokémon Randomizer — even if you don’t randomize anything else. Just check “Change Impossible Evos” → set all trade evolutions to “Level up (Level 40)” for all four. Then export your patched ROM. It’s clean, bug-free, and keeps the game difficulty intact because you get Gengar/Alakazam around the same time you’d normally beat Koga or Sabrina. pokemon fire red trade evolution patch better
Without a patch, the following Pokémon are typically "locked" behind trading: Requirement (No Patch) Common Patch Change Level up (varies by patch) Trade with Metal Coat Use Metal Coat like a Stone Trade with Metal Coat Use Metal Coat like a Stone Trade with Dragon Scale Use Dragon Scale like a Stone For the millions playing on emulators (like Visual