When my friends and I would sleep over at each others houses we always thought of a way to make the night as fun as possible. After running around and messing with people in our neighborhood, we would go to one of our houses and start building forts out of whatever we can get our hands on inside the house. After starting our forts we would go and buy a set of tennis balls, and a couple glow sticks to tie around our necks. Then the sun goes down and the war starts, we hunker down into our our forts, turn off the lights, and watch for glow sticks to start moving around. Once we see the lights start moving, tennis balls from all forts would start flying across the room, and every once in a while you will hear a yelp of terror as someone gets hit. Getting hit in the head is about the most painful thing in the battle, because all of my friends and I were playing baseball. Two of the four people playing were pitchers in baseball, so my friend and I had the upper hand by having a cannon for an arm. Give this a try and message me and tell me how it went.
P.S. Using baseballs instead of tennis balls isn’t a very good substitution. If you want to, you can, but be ready for that big medical bill.