In a hands-on demo before release, we checked out two islands early on in the game. The first saw Mario and Luigi help the music-loving inhabitants of Twistee Island put on a festive concert. Along the way, the brothers battled some low-level enemies, including some bugs, pigs and flying creatures that all had different moves sets.

The gimmick here, of course, is that Mario and Luigi are working together the entire time as a duo. That is your party. Everything you can do stems from the brotherly relationship between Mario and Luigi, from partner attacks in combat to goofy special abilities you use in the overworld to solve puzzles.

Brothership is Nintendo’s big game for the Nintendo Switch this holiday season. How is the platforming duo’s latest RPG spin-off adventure shaping up? According to a new string of previews, it’s about as delightful as you’d expect,

The overview trailer for Mario & Luigi Brothership covers all of the main details of the upcoming Switch game, including many of the locations and characters people will be interacting with. The combat and enemy types are also included.