Batman Shadow Combat. Help Batman or Batgirl defeat the Joker and save the city. Sources say The Joker has been developing a series of laughing gas bombs and he intends to unleash them on the city. The gas bombs are being stored across several heavily guarded warehouses Sneak through warehouses and disarm the bombs. But don’t draw too much attention. If joking know you’re coming, he’ll take off with the remaining bombs. This game is one of the action games. Enjoy and have fun in playing this free online game.