Extended TicTacToe game for GNUstep

 Gomoku is an extended TicTacToe game for GNUstep. You win
 the game if you are able to put 5 of your pieces in a row, column,
 or diagonal. You lose if the computer does so before you. You can
 play the game on boards of different size. The game has 6 different
 difficulty levels.