WarioWare, Inc.: Mega Microgame$!, released in Japan as Made in Wario and in European regions as WarioWare, Inc.: Minigame Mania, is an action video game for the Game Boy Advance. It was developed and published by Nintendo. It was released in Japan on March 21, 2003, in Europe on May 23, 2003, in North America on May 26, 2003, and in Australia on June 6, 2003. It is the first game in the "WarioWare" series.