Treasure Co., Ltd. (株式会社トレジャー Kabushiki-gaisha Torejā) is a Japanese video game developer, founded by former employees of Konami on June 19, 1992. Treasure is best known for classic-style action games that employ innovative gameplay systems. Their greatest commercial successes have been games like Wario World and Mischief Makers, but they are better known for their critical successes, such as Sin and Punishment, Gunstar Heroes, Dynamite Headdy, Alien Soldier, Guardian Heroes, Radiant Silvergun, Bangai-O, and Ikaruga. Their first released game was Gunstar Heroes, although McDonald's Treasure Land Adventure was developed first.