sixty-four

This is a game, that's also a magic trick. You can play it against the computer, try to figure out how it works, and try to do it yourself.

Or, you can learn to do it and try it on your friends, who will be 100% impressed by your dazzling intellect, once you get it down.

Choose your game:

• Game A

  Four colors. Recommended.

• Game B

  Two colors. Also Interesting.