WarioWare, Inc.: Mega Microgames!, known as WarioWare, Inc.: Minigame Mania in PAL regions, is a 2003 action game developed and published by Nintendo for the Game Boy Advance. The debut title in the WarioWare series, the game is about rapid completion of "microgames", short minigames given to the player consecutively and with increasing speed per each game complete. The game's concept was inspired by the "Sound Bomber" mode of Mario Artist: Polygon Studio for the Nintendo 64DD. Many of the music tracks and sound effects were recycled from Wario Land 4. The game was produced by Takehiro Izushi and directed by Hirofumi Matsuoka. Matsuoka was also the director of Polygon Studio. Mega Microgames! was released in 2003; in Japan in March, in North America and Europe in May and in Australia in June.