1. one player can roll the dice unlimited times till he/she rolls a 1 on the dice or uses the HOLD button to store the current score 2. in case of current player gets a 1 or uses HOLD , the current player will change. 3. if you get a 1 then your current score will be reset to 0. so dont forget to keep saving it using HOLD button. 4. you current score will keep adding after every dice roll. to save the current score press HOLD button. 5. you can input your own final score reaching which the player will win by inputing it in the 'enter final score' field. it has to be between 20-100. by default its 50. 6. to start a new game , click on the NEW GAME BUTTON. ENJOY!!!!!