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Infinite XO needs two authenticated players so ELO can be updated correctly.
Sign inCreate room
Open a rated two-player room, or start an unrated match against the bot.
Rooms
Join a waiting room or watch a match in progress.
Lobby chat
Room readiness
Mark yourself ready when you are prepared to start.
Infinite XO board
On your turn, use the arrow keys to select a cell and press Space to place your mark.
The glowing mark is the current player's next mark to disappear. Winning is checked after removal.