How It Works

When you order a gift, we ask for your friend's name and a message you want to send.

First, we generate a chain of clever programming puzzles. Each puzzle leads to another one, which leads to another one, etc. The puzzles are hard, but not too hard — it's a lot of fun to be solving them.

Then, we create a unique image with your friend's name and the clue to the first puzzle.

We'll send you the digital file after you complete your order. You can forward the picture to your friend, or even print it and send as a post card:

“When I saw the strange postcard with my nickname on it, I felt adrenaline rush — it's definitely for me, but I didn't know who sent it.”

When they solve all puzzles, your hidden message is revealed: