7th grade party ideas without alcohol?

okay so im having a little get together for my bday this weekend. all of my friends are saying they will bring alcohol and weed. im in 7th grade and its a boy/girl party. i want to know ways to have fun without geting drunk? my parents will be right upstairs and they might smell it? i think you can smell the smoke. there will also be a makeout closet? were gonna play truth or dare but idk if it will be fun without drinking ya know? what else can we do. omg one kid said he was going to bring condoms for truth or dare but my parents might be mad. what else is there?