The game is played with 2 six-sided dice. Idea is to score all tiles which are numbered from one through nine.
Player rolls the dice and counts sum of the rolled dice numbers. Player can then select any combination of tiles whose sum matches sum of the rolled dice numbers.
Each tile can be selected only once. After doing so player again rolls the dice.
After each roll player must select tiles, sum of which equals sum of dice numbers rolled in that round.
If no combination can be matched, then the turn goes to the next player and the sum of remaining tiles of that player is noted.
After all players have played, the one with the lowest score wins. If a player scores all 9 tiles, he/she wins immediately.
For more information on this game refer to wikipedia.