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Welcome to Grid Duel! Tic tac toe on 3x3, 4x4 and 5x5 boards, three computer rivals from Easy to Hard, 2 player mode on one phone, stars to earn, styles to unlock, a daily chest and trophies to track your record.
Tic tac toe offline: play 2 players or beat the AI on 3x3, 4x4 and 5x5 boards.
Grid Duel is classic tic tac toe, rebuilt as a bright, quick game you can play anywhere. Challenge three computer rivals, play a friend on one phone, and grow from the classic 3x3 grid to 4x4 and 5x5 boards. Also known as noughts and crosses, XO or Xs and Os, tic tac toe is the puzzle everyone knows. Grid Duel keeps the rules simple and makes every match feel like a duel. THREE RIVALS, THREE STYLES Play against the computer at three levels, each with its own personality: • Pip (Easy) plays fast and forgets to block. A great warm-up. • Rook (Medium) blocks well but rarely plans ahead. • Sage (Hard) plans ahead and never loses on 3x3. Beat Rook to unlock Sage. BIGGER BOARDS, NEW STRATEGY • 3x3: the classic, three in a row wins. • 4x4 and 5x5: four in a row wins, for longer, deeper games. • Choose who moves first: you, your rival, or take turns. 2 PLAYER MODE Pass the phone and play a friend face to face. Two players on one device, with names remembered for next time. EARN STARS AND UNLOCK STYLES • Earn stars for every win, more for winning fast and without hints. • Unlock new X and O marks, boards, win effects and themes, and preview each one before you choose. • Win three matches a day to open the daily chest. • Level up as you play. TRACK YOUR RECORD Trophies show your win rate against every rival on each board size, your win streaks and the medals you have earned. MADE FOR QUICK BREAKS • Play offline, no internet needed. • No sign-in, no account. • One-handed play with a big, clear board. • Works with sound off and reduced motion; X and O differ by shape as well as colour. Download Grid Duel and draw your winning line.