Game Machine is the global open ecosystem for a game industry constructed on the basis of the blockchain technology. Game Machine will unite all participants of this market: gamers, developers, advertisers for the sake of development of the industry and improvement of game products quality. Game Machine creates loyal gaming audience which generates cryptocurrency Gamefuel by means of the principle of limited Proof-of-Work (Limited-Proof-of-Work). Use of such an approach allows to limit access to infrastructure to not participants of the market.