Blackjack 21 is a free game developed by GameZen Inc. for iPhone users. This classic card game aims to give players the excitement and thrill of winning against the dealer. The objective of the game is to accumulate a higher point total than the dealer, without going over 21.

In Blackjack 21, you compute your score by adding the values of your individual cards. The numbered cards 2 through 10 have their face value, while the face cards (J, Q, and K) are worth 10 points each. The Ace can be worth either 1 or 11 points, depending on your strategy.

With this game, you can define your own strategies and practice your blackjack skills to achieve perfection. Challenge yourself against the dealer and see who can get 21 without getting bust. Experience the thrill of the casino on your iPhone with Blackjack 21.