Marvel/DC/Star Wars/Ratchet and Clank/Randy Cunningham: 9th Grade Ninja/Despicable Me/Transformers/The Powerpuff Girls/Street Fighters/Teenage Mutant Ninja Turtles/Gravity Falls/Super Mario Bros./Sonic the Hedgehog: Worlds United

Marvel/DC/Ratchet and Clank/Transformers/Powerpuff Girls/Teenage Mutant Ninja Turtles/Gravity Falls: Worlds United is an crossover video game which features Marvel Comics, DC Comics, Ratchet and Clank, the Transformers, the Powerpuff Girls, the Teenage Mutant Ninja Turtles, and Gravity Falls. The plot is about that the Marvel, DC, Ratchet and Clank, Transformers, Powerpuff Girls, Teenage Mutant Ninja Turtles, and Gravity Falls' universe somehow mysterious fused together and they need to know why. However, an mysterious villain (who is responsible for their universe fused together) sent in their foes to stop them from ever sloving this mystery.