Pokemon Jupiter GBA ROM Hack Video Game Custom Gameboy AdvancePokemon Jupiter is a ROM hack of Ruby. The character you play is as Ivan from the Golden Sun games. There are elements from those games incorporated in Jupiter but it is still a Pokemon game never the less. Speaking of the Pokemon, the game has a mixture of random Pokemon from different Generations and a plethora of Fakemons that you can catch, train, evolve, and use in battle. Story Despite elements of Pokemon Jupiter being based on the Golden Sun