Mattel, Inc., a leading global toy and family entertainment company and owner of one of the most iconic brand portfolios in the world, in collaboration with Outright Games, the leading publisher of family-friendly interactive entertainment, today released Monster High™: Skulltimate Secrets™, the newest video game based on the popular fashion doll franchise. Developed by Petoons Studio, the game is now available on Nintendo Switch, PlayStation 4, PlayStation 5, Xbox One, Xbox Series X|S, and PC available on Steam and the Microsoft Store.