This is a game between a human ("player") and a computer ("opponent"). The player's objective is to accumulate as many points as possible. When the player wins a game, a point is added to his/her score. When the player loses a game, a point is subtracted from his/her score. The competitor with the most pieces on the board at the end of the game is the winner. A game is finished when a competitor forfeits, or has no valid empty square to place a piece on. The opponent is granted additional moves at the start of a game based on the player's score.

Each competitor has a distinct set of pieces of the same shape and color. The competitors take turns placing one piece on an empty square on the board. A piece or group of pieces that has no empty square adjacent to it is removed from the board.

License: free

Additional System Requirements: Ruby, Ruby-GNOME2