Groan is a two-player dice game that can be played against the computer or between two human players.

How to play the game: Groan

Players take turns rolling the dice. A turn consists of a series of dice rolls, subject to the following rules.

As long as the dice roll is not a one, the dice value is added to the running total.
If you roll a one then Groan, you have just lost your score and your turn.

After each roll a player has the choice of rolling again or passing the dice to the next player.
If they pass the dice, the score achieved is added to any previous total they may have had.

The object of the game is to be the first player to reach 50 points.