Nintendo has announced Mario & Luigi: Bowser’s Inside Story + Bowser Jr.’s Journey for the Nintendo 3DS.

The game includes Bowser Jr.’s Journey, a behind-the-scenes look at the untold story of Bowser Jr., and a release is set for sometime next year.

Here’s a rundown on the game, via Nintendo:

In this Nintendo 3DS remake of a classic Mario & Luigi action RPG adventure, fans can replay (or play for the first time) Mario & Luigi: Bowser’s Inside Story, one of the most critically acclaimed games in the Mario & Luigi series. It features new graphics and a new mode that tells the behind-the-scenes story of Bowser Jr.