In this sequel to Mario & Luigi: Superstar Saga, the Mario bros. team up with their young selves on a quest of lunatic proportions. Control both sets of bros. to explore the very fabric of time and take on an evil alien entity known as the Shroobs. Duke it out with crazy foes using the celebrated fast-action battle system unique to Mario & Luigi games. Dodge enemy attacks individually, then use items like the Trampoline and Cannonballer to team up all four Bros for super moves. Explore the many regions, working with both sets of Bros to jump gaps, solve puzzles and battle enemies. As players explore, they will level-up the characters by using timed button presses to defeat enemies and gain experience points. Get ready for twice the bros. and twice the laughs in this action-packed role-playing game.