Put in your best estimate, as that number of people is what we will reserve space for in case we are at capacity at the time of your party (Reserving the Party Room is the only way to guarentee admission at a certain time during Public Hours!). If you need to purchase more passes before the day of your party, email info@decadesarcade.com at least 1 day prior to your party. If you have a few more attend the day of, you can pay for them day-of, as long as there is room (we’re not at capacity) and you’re still under 40 total. You do not have to count children 3 and under in your pass count, but you do have to have 1 adult for each child 3 and under, see below: