Party Help?! <3?

hey, im thinking about having my 12th birthday party at my house with about 26-30 girls. some activites are hot tub, water ballons, slip and slide, dancing, sports like soccer and basketball, manhunt, movies, and having a firepit to roast marshmallows at night and have a sleepover with the closest girls at the end of the night. please gimme some activites or any party ideas that you have. thanks so much <333