True Clue: An Unexpected Letter

Letter. A brown envelope that triggers an unexpected adventure during an otherwise ordinary day. You are expected to deliver a letter from Thomas to his sister Sarah. It opens up the door into the world of clues and puzzles. Would you like to enter?

An Unexpected Letter is a free clue solving adventure suitable for beginners. It features five clues of different kinds that demonstrate some common principles and should leave you well prepared for similar games in the future.