How to challenge your friends:

Step 1: Solve 10 (or 5, or 20) puzzles and get the link to the Challenge
Step 2: Share the challenge link with your friend
Step 3: After your friend finishes the puzzles, there will be a link to the scores

Let's PLAY!

Your name: (cannot be empty)

Number of puzzles: 5 10 20

Your email: (optional, scores will be sent to this email when your friend finishes the challenge)











     4 Numbers! or to get 4 Numbers puzzle of the day, everyday.

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