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

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

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

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.

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!

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!

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What’s New

Version 1.0.1

+Bug fixes

Ratings and Reviews

5.0 out of 5
4 Ratings

4 Ratings

plzcallmemoe ,

Worth it!!

This app is definitely worth the download ... it’s a must, to kill time. The simplicity and anticipation of this strategy game will have you on your toes.

App Privacy

The developer, Bit Free Games, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Game Center

    Challenge friends and check leaderboards and achievements.

  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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