At the very beginning of the Command Center, take advantage of the two monitors at the central area, they are perfectly placed for both players. You can smash your enemy with this quickly and easily. The turbine at the far right can be used as an electrocution device. You can also pull down the pipe at the far left to let off some steam. At this far left area, the transition is located. Down at Lex's Lab, the Brainiac head at the far right can be thrown into your opponent. The lights above the central left and right area can be thrown as well. The laser cannon at the far left can be activated to shoot a bigger beam. You can also throw the armor at the far left. The transition back to the first area is in the far left.