Kungfu

Get bulb, use in dark room. Get mask, wear it. Get torch and use in sewer. Get Batarang and use it. Go sewer. Get ears and use them. Get roll. Get all food (fish and carrot). Get shades. Use in Joker's Fun house when its too bright. Get false teeth. Take to false teeth room (in Joker's house and above sewer) and use them. You can now eat food. Go ghost train and get wire clippers. Defuse all ten bombs with them. Go to fair. Get Coke if needed. Get cash and use. Get Joker's card.

On the fourth level there is an easy way to kill the Evil Twins: punch the one on the left in the stomach.

walk to the middle of the playing area and wait for the computer, Now kick him. If he doesn't fall down take one step back and repeat the process until he does feN down.