Create a room, then send players to /player.html and put the big screen on /display.html.
Players join at /player.html and enter code .
You can run the judge controls and be on a team at the same time.
Only use this if the auto-checker missed a valid answer (e.g. an unlisted synonym). Opening this shows you the current question's full answer key — everyone sees a log entry when you do, since it's meant to be a rare, visible correction, not a normal part of play.