Justice League Nuclear Rescue. Help the Justice League stop Brainiac and his evil robots. Play as superman, batman, and many more superheroes from the DC comics universe. Brainiac Plans to send the Riverside Nuclear reactor into meltdown. You must stop him at all cost as the member of the Justice League. Infiltrate the nuclear facility and shut down all of the reactors before it’s too late. Will you be able to stop a nuclear meltdown? Enjoy and have fun in playing this free online game on Round Games.