Forts and Mills is a wargame where players make turns simultaneously. Each player knows all information about game except what his opponent is going to do. Victory here is a result of anticipating other player's actions and strategic calculations.
You can learn how to play with in-game tutorial or use helping tooltips (right mouse click) during the game (ENG / RUS).
The game can be played with two, three or four players. You'll need a server to connect to each other!