It's Mr. Pants is a puzzle video game developed by Rare. It was published by THQ for the Game Boy Advance (GBA) handheld game console in North America and Europe in 2004-2005. The game was published internationally on mobile phones by In-Fusio in both 2005 and 2006. The game stars Mr. Pants, a crudely drawn mascot formerly featured on Rare's website who had made cameo appearances in several prior Rare games.