Meet Maestro and other characters from the TV series "Once upon a time... Life" while they try to uncover the mysteries of the human body. The game includes more than 2500 questions in 5 categories that are: the blood circulation system, the nervous system, the digestion system, the immune system and disease. The gameplay is co-operative: the players try to carry oxygen to the body of Psi girl before she gets ill by the looming viruses. If the players succeed, they win the game. If they fail, Psi catches cold. There are 4 difficulty levels in the game so that it is playable by children and their parents together.

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