Digimon Crystal Version (2025) – The Digimon RPG Game Boy Color Fans Have Been Waiting For What if Pokémon Crystal had Digimon instead of Pokémon? That's exactly what Digimon Crystal Version delivers — a full ROM hack of Pokémon Crystal rebuilt from the ground up with Digimon replacing every Pokémon in the game. Catch, train, and battle with Digimon across the entire Johto region using the classic GBC Custom cartridge, plug and play. Compatible: GBC, GBA, GBA SP.