classic xo game2 two-player puzzle game2 adaptive ai opponent1 admob1 android studio1 arcade game1 board game1 brain game1 brain-teasing xo challenge1 customizable grid size1 educational logic game1 expanded grid version1 family-friendly board game1 html5 tic tac toe1 matching1 mobile-friendly tic tac toe1 multiplayer game1 multiplayer noughts and crosses1 play vs computer mode1 puzzle1 puzzle game1 quick-turn brain game1 simple game1 strategy1 strategy board game1 tic tac toe1 tic tac toe game1 timeless grid strategy1