A great philosopher once said, "I love it when a plan comes together" (ok, it was the A-Team, but Hannibal was pretty sharp). You can't have 30 people show up at your house and just wing it. You need a plan.
Pre-game prep can be a little heavier with a large number of people, but don't worry, it's all very doable. And it'll be worth it when you've managed to pull off a 30 player escape room experience in your living room!
So, here's all the groundwork you'll need to lay before
(Of course, creating the game itself is step 1. But we'll assume you have that under control. If not, read this guide
to get started.)