Deal or no Deal is a very popular show in US. The show is based on luck and risk-taking ability of the contestant to take home the highest earnings possible. The contestants have to choose 1 of 26 cases and then eliminate the rest of them to win the largest amount as offered by the banker or risk it all to win a million dollars. The show also ran in India for quite some time under the name Deal Ya No Deal.
The game’s popularity has let to several desktop and flash based games being made, and now you can also play the game from right within Microsoft Excel too.