Play “Man of Steel” Online Game “Metropolis Mayhem” Dan Koelsch, May 24, 2013May 24, 2013 Briefly: In the vein of other endless running games like Temple Run, Warner Bros. has released Metropolis Mayhem, an online game on the Man of Steel homepage. Fly Superman through Metropolis and earn points by collecting the power-ups. Use your heat vision to destroy any obstacles that you cannot avoid….