New Super Mario Bros. Unlimited

is the fifth Mario game in the series. It introduces new gameplay elements and new powerups. It contains 8 worlds (12 in total).

Plot
When Mario, Luigi, and the Blue and Yellow Toads are on a walk with Peach, the Koopa Clown Car sneaks above Peach and takes her to Bowser's Castle. Mario and gang chase the Clown Car while it releases powerups. Then, the game starts.