From Sony: To challenge the skill levels of all hockey videogame fans, Gretzky NHL for the PSP offers the Gretzky Challenge with unlockable, playable Gretzkys from his days as an Edmonton Oiler, Los Angeles King or New York Ranger. Additionally, hockey fans can play a quick game in either Quick Start or Exhibition Mode, act as owners in Season Mode, or compete locally against friends or other hockey fans in head-to-head play via wireless multiplayer connectivity.