Teenage Mutant Ninja Turtles Adventures: Change Is Constant is a scenario-driven miniatures role-playing game created in IDW`s Adventures Universal Game System. Play as one of the four ninja turtles or Casey Jones, or take on the role of Baxter and command his robot fleet. This all-new entry into the Adventures Universe Game System features a brand-new campaign and two different modes of play: 1 vs. Many and fully Co-operative! Each Adventures game is both stand-alone and compatible with other games in the system!