11. Mutants & Masterminds Demos ID: 2003-RPG00469 Year: 2003 Title: Mutants & Masterminds Demos Description: Come to learn to play Green Ronin's smash hit Supers RPG, Mutants & Masterminds. The action is fast and furious, just like the comics. Mutants & Masterminds uses the Open Game License. Sponsored by Green Ronin.