Newer Super Luigi Wii: Dark Moon

Newer Super Luigi Wii: Dark Moon is a fan-made mini-hack created using Newer Super Mario Bros. Wii as a base. NerSLWii: Dark Moon, a Halloween-themed hack, has 8 new levels, Luigi & Wario as playable characters, a new World Map, various recolored objects, and more. The hack was released on October 13th, 2017.

An alternate version, Newer Super Luigi Wii: Dark Moon Reverse, is currently in development.