Classic Tic-Tac-Toe made impossible due to the computer's smart counter-move every turn. The AI for one player mode includes three difficulty levels, so you can play against a computer player that matches your skill level. A move randomization engine ensures that your device won't keep making the same moves over and over again. crank up the difficulty while playing or notch it down if you got cornered. These puzzles games are recommended for kids & adults too. Playlot more puzzle games online only on y8.com