In the fourth part of the Sustainable 4 game, you will continue to help the guard in the museum protect the exhibit from eco of terrorists. Before you on the screen will be seen the premises of the museum in which your guard will be armed with a club. Visitors who will consider exhibits will go around the hall. You will have to carefully observe them. Having noticed a terrorist, run to him and strike with a baton. Thus, you will neutralize the criminal and you will give glasses for this in the Sustainable 4 game.
