I love board games, have you ever played Risk?
Yes, I have played the strategy game that deals with diplomacy, conflict, and conquest. 
That is one board game I've never played before. How many players are involved?
Risk (game)
Risk is a strategy board game of diplomacy, conflict and conquest for two to six players. The standard version is played on a board depicting a political map of Earth, divided into forty-two territories, which are grouped into six continents. Turn rotates among players who control armies of playing pieces with which they attempt to capture territories from other players, with results determined by dice rolls. Players may form and dissolve alliances during the course of the game. The goal of the game is to
) usually fall outside of this definition, even though there is cooperation between some of the players. Multiplayer conflict games like "Diplomacy" may also feature cooperation during the course of the game. These are not considered cooperative though, because ultimately only one individual will win. Games like "" have similarities to roleplaying games and could be considered cooperative because players tend to work together.
Cooperative board games generally involve players joining forces against the game itself, and can be played without any player in the role of the opposition