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Pig Pen Cipher (Codes Part 2)
Let’s encode some secret messages with a cipher that was actually used during the American Civil War!
Jotto
Who can guess the codeword first?
Game: Gomoku
Want to take Tic-Tac-Toe to the next level!? Imagine a 15×15 board. You must get five-in-a-row. You cannot get six-in-a-row. That’s Gomoku!