Camelot Software Planning

​, originally called Sega CD4 or Sonic! Software Planning, is a game designer company that developed most of the Mario Tennis and Golf games, as well as a Game Boy Advance title Golden Sun. They also created the character Waluigi for the Mario Sports series.

Nintendo Titles

 * Mario Golf
 * Mario Tennis 64
 * Mario Tennis (GBC)
 * Mario Power Tennis (original and New Play Control! Mario Power Tennis)
 * Mario Golf: Toadstool Tour
 * Mario Golf: Advance Tour
 * Mario Tennis: Power Tour
 * Mario Tennis Open
 * Mario Golf: World Tour
 * Mario Tennis: Ultra Smash (unreleased)