Mario and Luigi (Japanese:マリオ＆ルイージ, Mario& ruīji) (マリオ＆ルイージRPG, Mario & Luigi RPG), is a series within the Mario series. It contains role-playing games that star Mario and Luigi going on various adventures. The initial installment of the series, Mario & Luigi: Superstar Saga, was released for the Game Boy Advance, the following two were released on the Nintendo DS, and the latest were released on the Nintendo 3DS. The Mario & Luigi series is one of the two main RPG series in the Mario series after Super Mario RPG: Legend of the Seven Stars with the other being the Paper Mario series.