Endorfun is a single-player puzzle computer game released in 1995 for Microsoft Windows and Macintosh. It was later released in Japan under the title Cu-On-Pa, appearing on the consoles Super Famicom and PlayStation. A Nintendo 64 version was announced (again under the title Cu-On-Pa) but never released. The game achieved notoriety for the extensive use of spoken "positive affirmations" on its soundtrack.