Ultimate TicTacToe Multiplayer vs Tic Tac Toe ² (Ultimate)

You can play against the computer, a friend on the same device, or a real opponent. The goal is to make a row of three X's or O's before your opponent does. If you're looking for a new challenge, try the 5x5 or 7x7 versions, where the winning line must consist of 4 and 5 symbols respectively, instead of the usual 3. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Game Setup: • Board Structure: The game features a large 3x3 grid, with each cell containing a smaller 3x3 grid (making a total of 9 smaller grids). • Players: Two players take turns, represented as ■ and ●. Basic Gameplay: 1. First Move: ▪ The first player can place their mark (■) anywhere in any of the 81 empty cells across the entire board. 2. Subsequent Moves: ▪ The location of a player’s move determines which smaller 3x3 grid their opponent must play in next. ▪ For example, if Player 1 plays in the top-right cell of a small grid, Player 2 must then play their next move in the top-right small grid of the large board. ▪ If a move sends the opponent to a small grid that is already won or full, the opponent may choose any of the remaining cells on the entire board.