Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

21 Black 螢幕截圖

iPad

iPhone

About 21 Black

21 Black is a challenging puzzle game that mixes solitaire and blackjack. Your goal is simple: merge the cards to make 21. How far will you get?

21 Black Features

SIMPLE GAMEPLAY
Swipe to merge the cards horizontally or vertically, different numbers add up while identical numbers stay the same. Get to 21 and win!

ENDLESS MODE
Relax in endless mode and see how many 21's can you make

PUZZLE MODE
Choose from multiple puzzle sizes and collapse the entire board into a single 21. Perfect for training your brain to recognize patterns and build new strategies.

SHARE + DISCOVER
Played a cool puzzle? Share it with your friends and the world! Or scan puzzles other's have discovered with the built in puzzle camera scanner!

NO STRESS
Unlimited free hints and no time limits means you can relax and get into a flow

100% FREE
That's right, everything is unlocked and there is nothing to purchase

Fun and addicting gameplay that's guaranteed to test and train your brain in new ways!

Questions?
Please contact us at contact@bitfreegames.com