Connect 21 Binary Puzzle

Connect 21 is a straightforward binary puzzle game, relaxing and easy to play on your spare time or whenever you feel bored.
Inspired by the beauty of numbers and math, Connect 21 was created to be an addicting brain teasing game, especially for math games lovers.

*** About Connect 21 game: ***

✔ Straightforward rules: connect as many numbers as possible to score 21 points.
✔ Not just a simple game. Connect 21 is also a game for children to improve their brain and math in fun and entertaining way and can also help casino dealers to train their card counting skill for Blackjack.
✔ Compare scores in leaderboards (by Google Games Play).
✔ Play in 2 modes: levels or sandbox (highscore)
✔ Designed to give hard time to lazy brains
✔ Simple and clean design
✔ Brain teasing game
✔ Easy and relaxing game
✔ Very useful app for kids, simple math adding becomes very easy after they play this game for a while
✔ Different grid sizes
✔ Fill up the green or blue bars in sandbox mode to clear all tiles of that color.

If you love binary or puzzle games this is a must play game for you. If you like Connect 21 please give a moment to rate it. In the future more levels could be created and even a multiplayer version. Until then, relax and enjoy a fun number game.