Tired of the same old tic-tac toe? Your big brother knows how to win, every-single-time? Try tictac.io, n online tic-tac-toe game with a twist : both players play at the same time.
Pickup your pieces and make a tic-tac-toe. Quick, and simple ; best of three.
If there's no one to play with when you join, ask a friend. It's worth it!