Playcade turns any TV with a browser into a party game console. Open playcade.party on the big screen, everyone scans the QR with their phone, and in under 15 seconds the whole room is holding a controller. No app, no account, no hardware.
11 games (and more coming) for 2–12 players: kart racing, light-cycle Trails, sumo, drawing, trivia, hidden-role.
Rounds run 3–7 minutes, so nobody's stuck waiting for a turn.