The Exit 9

Exit is a 2005 puzzle video game developed and published by Taito for the PlayStation Portable. It was released in Japan on December 15, 2005, in North America on February 14, 2006, in Australia on March 30, 2006, and in Europe on March 31, 2006. A version for the Xbox 360 was released via Xbox Live Arcade on October 24, 2007. A version for the Nintendo DS was released in 2008 as Exit DS.