Instructions for Deal or No Deal Online : Click on a case to select it. The rest is self explanatory if you are familiar with how the game is played. If you're not, then basically you select a case at the beginning of the game. The rest of the game on you are selecting other cases. The banker then decides the odds of your case or the cases left to be selected will leave you with more money than if he paid you off. So he'll make you offers to buy your case. You have to decide if he's offering you enough and if you'll stop playing to take his sure offer. In the end, you want to have less in the case then what he offers or having said "No Deal" the entire game ending up with the 1 million dollar case in your posession makes you the ultimate winner at Deal Or No Deal.