Super Mario 3D World is a 3D platformer developed and published by Nintendo for the Wii U. It features Mario, Luigi, Princess Peach, and Toad working together to rescue the Sprixie Princesses from Bowser. The game is known for its four-player cooperative gameplay, colorful level design, and the Cat Suit power-up, which adds new movement and combat options. It is a mainline entry in the Super Mario series and was later expanded with Bowser's Fury in its Switch re-release.