Newer Super Mario Bros. Wii

Newer Super Mario Bros. Wii is a fan-made hack for New Super Mario Bros. Wii, a 2D platformer released for the Wii in 2009. Newer, a "full unofficial sequel," has new graphics, music, enemies, and other features, in addition to a greater level amount than the vanilla game. Newer was released on June 7th, 2013. An updated version, Newer Super Mario Bros. Wii Plus, is currently in development.

Story
''Mario and friends land on Yoshi's Island, but it doesn't take long before the Princess is missing once more! Looks like Bowser is at it again!''

-Opening, Newer Super Mario Bros. Wii