Nintendo Japan's released a wicked Mario & Luigi 3 DS trailer that despite being a bit foreign, is too good to miss.
The video, narrated by an excited-sounding Japanese man, demonstrates how the third game's split-screen gameplay works.
With Mario and Luigi gobbled up by a gigantic Bowser, the plumber pair of free to go platforming mental in his innards on the bottom screen while you control Bowser himself on the top. As you can see from the video, this leads to some interesting gameplay...
It's out in Japan next month and Europe this summer.