Mario and Luigi (マリオ&ルイージRPG Mario ando Ruīji Aru Pī Jī, lit. 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. Compared to other RPGs, the tone of the Mario & Luigi games is generally more whimsical and lighthearted, with various in-game jokes and comical references to the heritage of the Mario franchise.


For all of the Mario & Luigi games, the player uses A Button/A Button/A Button to control Mario while they useB Button/B Button/B Button to control Luigi. As for Mario & Luigi: Partners in Time, the player also uses the X Button button to control Baby Mario and uses the Y Button button to control Baby Luigi. These two buttons are also used to control Bowser's attacks in Mario & Luigi: Bowser's Inside Story, and Paper Mario's in Mario & Luigi: Paper Jam.