I frequently look out for party tips that are unique and out of the box. I find that Youtube is usually a great resource for these kinds of tips. All you will have to do is browse Youtube and do a search for "party ideas" and you can see hours and hours worth of video recordings with various good suggestions. The trouble is, who has the amount of time to see them all? So I am on a regular mission to gather some details to save me and also hopefully other people some time.
Here is an awesome video with some crazy party ideas - https://www.youtube.com/watch?v=wUlJSgYGmFw
Hope you see a number of great ideas for your future event on Youtube!