Explore the Nantes plant garden while playing. Tricky riddles, historical anecdotes, incredible plants. This outdoor escape game will help you discover the secrets of the garden. In french only Nantes 1882. You accompany a famous alchemist. In search of the elixir of youth, you are missing one ingredient: the leaf of an extraordinary plant. Time is running out... You're not young anymore! The adventure is inspired by the mechanisms of treasure hunts and escape games and uses the sensors of your smartphones for even more interaction and surprise.