TicTacToe Ultimatum – Maksim Khrapov

An intellectual board game for 2 players with simple rules that give rise to a complex strategy. Based on regular Tic Tac Toe but expanded in size and complexity. Very non-trivial, you will keep guessing who is winning the game until the very end!

You can play against a friend or a fast and advanced AI. Three Noughts or Crosses in a row in a section will win you this section. Win three sections in a row and it’ll win you the game. Full rules are included in the app. You can choose to play against a human opponent or you can have AI play either Noughts or Crosses at easy, medium, or hard levels of difficulty.