Create a room, send the link, and race head-to-head on identical challenges — same Stroop rounds, same math questions, same digits. You watch their progress live; the clock is measured on each phone, so lag never decides the winner.
Get a room code and an invite link. You pick the game and start the battle.
Got a code from a friend? Enter it and you're in the lobby.
Room code — send the invite link to your friend
Waiting for a friend — share the invite link.