is a crossover fighting game series published by Nintendo. . is a free online game of Sonic the hedgehog. is a free online game of Sonic the hedgehog. Playing Superfighters online is free. While it hasn't been confirmed if Supers are % human. Popular games Animal Jam The Sims™ Mobile. Super Play covered in great detail the role-playing video game genre. Popular games Animal Jam The Sims™ Mobile. Super Play covered in great detail the role-playing video game genre.