Help!!

Hey this is my 1st boy girl party...its not a b-day party but its just like a hang out party were gonna be up all night long doing shaving cream wars but we want a few more games to play because the war might ge boring after a while and the part is at 8:00p.m till 10:00 am so 15 hours we need help!! what other games could we do.....were really despaerate because my party is this friday!!!!!!!