For the last two years, we’ve invited game designers Alan Gerding and Sean McCoy to run Two Rooms and a Boom at XOXO, and it’s always a massive hit. A fast-paced party game of social deduction, it’s like Werewolf with a ticking time bomb. Groups of up to 30 people split into two teams, get assigned roles, and try to find the bomber and save the President in three tense, timed rounds.