WarioWare, sometimes WarioWare, Inc. and known as Made in Wario (メイド イン ワリオ Meido in Wario) in Japan, is a video game series of party games published by Nintendo and mostly co-developed by Nintendo SPD Group No. 1 and Intelligent Systems. It is focused on very short and simple minigames, more specifically microgames. It was introduced in 2003 and is a spin-off of both Mario Artist: Polygon Studio and the Wario series. The concept of WarioWare was first used in the named Mario Artist title. The plot of the WarioWare series centers around its main character, Wario, and his friends who work for his "company", WarioWare, Inc., and develop the microgames.