Released as 'Chaoji Maliou 2' on the iQue GBA system, this title is the authentic 1986 Japanese sequel to the original Super Mario Bros. (known in the West as The Lost Levels). Designed for experienced players, this game dramatically increases the difficulty with complex platforming, wind mechanics, and treacherous poison mushrooms. Players can choose between Mario, who offers balanced handling, and Luigi, who can jump higher but is harder to stop. This GBA port faithfully preserves the 8-bit aesthetic while providing the ultimate challenge for platforming purists. It remains a legendary piece of Mario history, testing the skill and patience of even the most seasoned gamers.