Leisure Genius Presents Computer Diplomacy is a version of the classic board game for up to six players. The game is set in Europe at the start of the 20th century and the players take the role of one of the major powers in Europe at that time. The object of the game is to dominate the continent by strategic positioning of army and naval forces and by making deals. The game is campaign based. Each campaign consists of three phases, Diplomacy, Writing orders and the Execution of those orders. The first campaign begins in the spring of 1901, the second in the autumn of 1901, the third in the spring of 1902 and so on. A player's actions will affect the way other players feel towards them and can cause them to become hostile.