XO Duel: Tic Tac Toe

XO Duel is tic tac toe the way it should feel in 2026: glowing, fast, and made for playing with other people. FOUR WAYS TO PLAY • Online: invite friends or get matched with anyone through Game Center. • Nearby: play the person next to you over Wi-Fi or Bluetooth. No internet needed. • Pass & Play: two players, one iPhone or iPad. • vs AI: Easy, Medium, or Impossible. Impossible never loses. TWO RULE SETS • Classic: the 3×3 game everyone knows. • Infinite: each player keeps only three marks. Place a fourth and your oldest one disappears. The mark about to vanish pulses so you can plan ahead. No draws, ever. MADE TO FEEL GOOD • Marks draw themselves in with a neon glow. • Winning lines light up, the board shakes, and confetti falls. • Haptic feedback on every move. • Send quick reactions to your opponent in online and nearby games. • The opening move alternates every round, so it stays fair. NO ADS. NO ACCOUNTS. NO TRACKING. XO Duel collects no personal data. Just open it and play.