the discs include episodes never previously broadcast in the U.S. A third DVD was released on October 5, 2010, called A Very Perry Christmas. Some reviewers were displeased that the discs covered selected episodes rather than the entire series, but noted that Disney does not generally release full-season DVD sets. In 2009, Disney licensed a Nintendo DS game titled Phineas and Ferb. The game's story follows the title characters as they try to build a roller coaster. The player controls Phineas, Ferb and occasionally Agent P (Perry the Platypus). Phineas scavenges for spare parts for the roller coaster while Ferb fixes various objects around town, gaining access to new areas as a result. Ferb can also construct new parts of the coaster and its vehicle-themed carts. Each activity features a short mini-game. The game was well-received and garners a 76.67% on GameRankings. A sequel entitled Phineas and Ferb: Ride Again was released on September 14, 2010. Another game, Phineas and Ferb: Across the Second Dimension, was released for the Wii and PlayStation 3 platforms in 2011. In 2012, Disney opened an interactive game based on the series at Epcot, titled Agent P's World Showcase Adventure, which centered around Perry and Dr. Doofenshmirtz, based on the previous attraction Kim Possible World Showcase Adventure. Also in 2012, Disney Mobile launched a mobile game titled Where's My Perry? for iOS and Android. It was based on Disney's popular Where's My Water? game, using similar physics. In 2013, Disney commissioned Majesco Entertainment to create Phineas and Ferb: Quest for Cool Stuff, which was released for the Xbox 360, Wii U, Wii, Nintendo 3DS and Nintendo DS platforms. Phineas and Agent P appear as playable characters in all the video games of the Disney Infinity series. As with the other playable characters in the games, tie-in figures for them were also released. Homages The U.K. Disney Channel produced a series entitled Oscar and Michael's Phineas and Ferb Fan Club Show in homage to the original series. The show features two boys who attempt to emulate Phineas and Ferb by taking part in adventures to alleviate boredom. The series aims to educating children and promote activity and creativity. It entered its second season on April 10, 2009. The television series Psych has made references to Phineas and Ferb in its sixth season. In the episode "Shawn Rescues Darth Vader", main character Shawn Spencer (portrayed by James