Finally, the last variation of the tic-tac-toe game, employs the words: “eat, an, laf, it, line, if, lot, on and foe”. In this game, the winner is the one that will select 3 words that start with the same letter. If the game was places on a tic-tac-toe grid, it would mean 3 words in order to form a line (three in a row line). 3.3 Proposed model Nov 12, 2018 · About Tic Tac Toe; Minimax algorithm; Unbeatable Tic Tac Toe AI; Bonus; What’s next? Before we go into the AI part, let’s make sure that we understand the game. About Tic Tac Toe. Tic-tac-toe (also known as noughts and crosses or Xs and Os) is a paper-and-pencil game for two players, X and O, who take turns marking the spaces in a 3×3 grid ...