Kelly Slater's Pro Surfer is an extreme sports video game developed by Treyarch and published by Activision under the Activision O2 label. The game was endorsed by veteran surfer Kelly Slater and released for Game Boy Advance GameCube PlayStation 2 and Xbox in 2002 and for Microsoft Windows in 2003. To coincide with the game Slater appeared as an unlockable character in the 2001 skateboarding video game Tony Hawk's Pro Skater 3 complete with surfboard. Kelly Slater's Pro Surfer received "generally favorable reviews" on all platforms except the Game Boy Advance version which received "average" reviews according to video game review aggregator Metacritic. Famitsu gave it a score of two sevens one six and one seven for a total of 27 out of 40. It was nominated for GameSpot's annual "Best Alternative Sports Game on Xbox" award which went to Tony Hawk's Pro Skater 4. It was also nominated for "Outstanding Original Sports Game" by the National Academy of Video Game Trade Reviewers but lost to Jet Set Radio Future.