There is a newly opened theme park in Penang. I haven’t been, and I probably won’t, or at least in the forseeable future, but it might interest you, especially if you have children to entertain.
This is the website – http://www.escape.my/
Tim, at Penang Travel Tips, has done a good writeup on Escape, so I refer you to his site if you are interested. His site is a good source of information on Penang.