There have been 18 main series Pokémon games released since the franchise debuted in 1996, spanning eight generations and including remakes, but the top-selling game is still the original Pokémon Red/Green/Blue for the Nintendo Game Boy with 31.38 million units sold.Ĭoming in at second place is Gen II’s Pokémon Gold/Silver with 23.73 million units sold. Now, onto the factoids! Pokémon Video Game Facts Highest-Selling Pokémon Game This Unofficial Pokémon D&D Game Works Shockingly Well.Shiny Pokémon and the Few Trainers Who Actually Catch Them All.IGN Readers Have Chosen: Which Pokémon Is the Very Best?.Make sure to check out our other pieces celebrating Pokémon's 25th anniversary: