Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey has been out for nearly a month, but Nintendo has a cute new trailer to remind fans that the game is available, and generally what it's about. The trailer looks a bit like a health PSA, and details how Mario and Luigi can affect Bowser's vitality and abilities from inside his body, how that affects the internal environment of the King Koopa's guts, and conversely how it powers him up on the outside. It gets a little bit...Freud if you think about it too hard, so it's best to stick to the adventure-RPG-platforming. If you still haven't picked this one up, it's a great little RPG in its own right with a pretty funny plot.