Mario & Luigi (series)

The Mario & Luigi series is an RPG series featuring Mario & Luigi. The series is created by the 2nd Party Nintendo developer AlphaDream. The first game in the series, Mario & Luigi: Superstar Saga was created in 2003, and featured a unique RPG system that used both brothers together. The second game, Mario & Luigi: Partners in Time, takes that same formula, but adds two new characters in the mix- There Baby selfs.