The Agents' Agency is looking for talented agents to recruit for their secret missions. In order to qualify, you receive 15 letters from all over Europe. Can you solve all the puzzle and decode the secret messages? The game contains 15 letters in envelopes. Solving the puzzles in the first one will tell you the next envelope. Note the order in which you opened the envelopes - this will be crucial for your final score. In the end you will find an evaluation of your success, so you know whether you qualified for being a secret agent.

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