Million Deal is a brain puzzle game that allows players to win up to $1 million. The game consists of 16 cases, each containing a random value of money ranging from $1 to $1,000,000. Players pick a case for themselves and proceed to four rounds of picking cases. In each round, players must pick a certain number of cases, and between each round, the Bank offers a value of money. Players must decide whether to accept the deal or continue playing the game. If players do not accept any offers, their case is opened at the end of the game to reveal their final money value.

The gameplay of Million Deal is simple yet challenging. Players must use their intuition and strategic thinking to decide when to accept the Bank's offer or continue playing the game. The game offers players a chance to win up to $1 million, which adds to the excitement and thrill of the game. However, it is important to note that the money in the game does not have any value in real life.

Overall, Million Deal is an enjoyable game that offers players a chance to test their puzzle-solving skills and potentially win a large sum of money. The game is easy to understand and play, making it accessible to a wide range of players.