Because "Radical Red" is a ROM hack (a fan-made modification of an official game), there is often confusion about where to find it and how to play it legally. Pokémon Radical Red is a ROM hack of Pokémon FireRed . It is widely considered one of the best difficulty hacks available. It is not an official Pokémon game, but it has become incredibly popular due to its quality of life improvements and challenge. Juny 089 Better