I routinely look for party approaches which are unusual and out of the box. I found that Youtube is truly a great resource of such tips. All you need to do is go to Youtube and do a search for "birthday party ideas" and you can see many hours worth of video clips with various good points. The trouble is, who has time to see them all? So I am on a constant mission to put together some notes in order to save me and also perhaps others some time.
Here is a great video with some insane party ideas - https://www.youtube.com/watch?v=wUlJSgYGmFw
Hope you see several great ideas for your future occasion on Youtube!