Yes — unlimited games, unlimited players, no per-night fee. The only paid thing is optional AI question-writing at $4.99/month, cancel anytime.

No. They scan a code on the screen and play in their phone's browser. No install, no sign-up.

A laptop to drive the venue TV and the phones already in everyone's pockets. No buzzers, no hardware.

Always. Type your own, or let TR1VIA write a whole category for you.

No — every phone shuffles the four answers into its own order, so calling out “number three” means nothing.