New Super Mario Bros. for Wii has been out for a while now and if you've completed it and need some more NSMB to play, try NEWER Super Mario Bros. Newer Super Mario Bros. is an unofficial release by a bunch of Nintendo fans. For the past 3 years they've been adding new levels, new graphics and sounds, new bosses and all kinds of Mario goodness. If you have a Wii that's enabled to play homebrew games, the New Super Mario Bros. Wii game disc (US, EU or JP versions will work), SD card with a minimum of 570MB free, then you're ready to play! Head over to the official site to download your copy of Newer Super Mario Bros. for Wii.