This game requires your browser to support flash plug-ins, or you can play other HTML5 games.
Connect 21 Binary Puzzle
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.