Super Mario
Of these, popular games to play are popular games to hack; many hacks have been released of games of the "Sonic the Hedgehog" series, "Super Mario" series (including "Mario Bros.", "Super Mario Bros.", "Super Mario Bros. 2", "Super Mario Bros. 3", "Super Mario 64" and "Super Mario World"), "Mario Kart" series (most notably "Super Mario Kart", "Mario Kart Wii", "Mario Kart 7", and "Mario Kart DS"), "Pokémon" series, "Chip's Challenge", "Castlevania", "Final Fantasy", "The Legend of Zelda", games from the "Mega Man" series, "Fire Emblem" series, "EarthBound", "Super Metroid", and many others.