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.
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!
Unlimited free hints and no time limits means you can relax and get into a flow
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!
Please contact us at firstname.lastname@example.org
- 48.3 MB
- Update Date:
- Bit Free Games
Safe to Download
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