Have you ever thought what it’s like to be a researcher? This is a job where you need to be attentive to details and keep seeking the answers even if the case seems hopeless. Because there is always a solution, you just need to notice it! You can try this exciting profession playing Who Is? Your task is to answer all the questions correctly using a special set of tools at your disposal. Challenge other players and pass all the levels! Show your logic and ingenuity! Prove that there are no limits to human mind!