1) In the main casino, open the 'Options' screen. Go to 'Game Rules' or 'Game options.'
2) Open the Craps tab.
3) Select 'Roll own dice and enter values.'
4) Go play craps. Place bets on: The 12 Hardway, and the Horn bet.
5) When you click on 'Roll,' you should get a screen asking you to enter your numbers. Enter 6 and 6.
6) Repeat as necessary.