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Square Enix is a Japanese video game company known for its Final Fantasy, Dragon Quest, and Kingdom Hearts franchises, created by the merger of Square and Enix on April 1, 2003.
Prior to its merge with Enix, Square was noted for making Super Mario RPG: Legend of the Seven Stars in collaboration with Nintendo.
Square Enix recently made Mario Hoops 3-on-3 and Itadaki Street DS for the Nintendo DS with the latter exclusive to Japan. Both of these DS games are crossovers between the Mario franchise and one of Square Enix's franchises (Final Fantasy in the former's case, and Dragon Quest in the latter's case). Another of the company's creations is Mario Sports Mix, the first Mario spin-off from the company to be made for the Wii. The game includes the same Final Fantasy characters who appear in Mario Hoops 3-on-3, as well as Slime, one of the Dragon Quest characters who appears in Itadaki Street DS. The company logo appears in Mario Hoops 3-on-3, where it can be seen on two courts: Mario Stadium and Peach Field. Square Enix also developed another Dragon Quest-Mario crossover game called Fortune Street, a sequel to Itadaki Street DS.
Square Enix is also one of the third-party companies represented by playable characters in Super Smash Bros. for Nintendo 3DS / Wii U, with Cloud Strife, the hero of Final Fantasy VII, available as downloadable content.