
Diplomacy is a board game invented by Allan B. Calhamer, a Harvard University undergraduate, in 1959. It is a highly influential, intensely beloved, and widely acclaimed classic. The game is set in Europe in the years leading up to World War I, with players controlling the armed forces of major European powers. The game has simple rules and is easy to learn, but the gameplay is complex, focusing on social interactions and negotiations among players. Diplomacy is known for its brutal nature, with players forming and breaking alliances, lying, and betraying each other. The game has been described as one that ruins friendships and shapes careers.
| Characteristics | Values |
|---|---|
| Year released | 1959 |
| Number of players | 2-7 |
| Board scale | An entire continent |
| Power sources | Land and sea |
| Seasons | Spring and Fall |
| Year | 1901 |
| Winning condition | Control 18 or more of the 34 supply centers |
| Gameplay | Negotiation and forming alliances |
| Game elements | No random elements like dice or cards |
| Military units | All have the same strength |
| Gameplay style | Not tactical or realistic |
| Gameplay difficulty | Simple to learn but complex |
| Gameplay pace | Slow at first, then speeds up |
| Player elimination | No |
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What You'll Learn
- The game's historical context: Set in pre-WW1 Europe, players represent imperial powers
- Gameplay mechanics: Simple rules, complex gameplay, no random elements, and no player elimination
- Negotiation and betrayal: Players form and break alliances, with no binding agreements
- Player interactions: Social interactions are key, and players pursue their own interests
- Online play: Diplomacy is one of the few early board games that is still played online

The game's historical context: Set in pre-WW1 Europe, players represent imperial powers
The board game Diplomacy is set in pre-World War I Europe, with players each controlling the armed forces of a major European power. The game was created by Allan B. Calhamer in 1954 and released commercially in the United States in 1959. It is played on a simplified map of Europe in 1901, at the height of the rivalry among the great imperial powers: England, France, Germany, Italy, Austria-Hungary, Russia, and Ottoman Turkey. These powers would eventually culminate in World War I. The game board is on the scale of an entire continent, with land and sea power being almost equally significant. Players must decide whether to raise an army or a fleet, with each military unit having the same strength.
Diplomacy is a strategic negotiation and alliance-forming game, with no dice or other elements that produce random effects. Players spend much of their time forming and betraying alliances and creating beneficial strategies. The game proceeds by seasons, with each year divided into two main seasons: spring and fall moves. At the end of each year, the player who controls 18 or more of the 34 supply centers is the winner.
The spirit of the game reflects the historical context of pre-World War I Europe, where Western imperial powers divided the rest of the world between them while maneuvering for strategic advantage. The game encourages players to imagine themselves as grand negotiators, redrawing borders without regard for religious, national, or democratic values. It is a diplomatic simulation game rather than a military one, with simple and abstract rules for combat resolution.
The game has had a lasting impact, with several commercially published board games based on Diplomacy and its variants. It is also played at formal tournaments in many nations and has an active hobby of amateur publishing. Diplomacy is well-suited for postal and online play, contributing to its enduring popularity.
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Gameplay mechanics: Simple rules, complex gameplay, no random elements, and no player elimination
Diplomacy is a strategy board game invented by Allan B. Calhamer, a Harvard University undergraduate, in 1959. The game is set on a simplified map of Europe in 1901, at the height of the rivalry among the great imperial powers—England, France, Germany, Italy, Austria-Hungary, Russia, and Ottoman Turkey—that would eventually lead to World War I. The game board is on the scale of an entire continent, with land and sea power being almost equally significant. The gameplay mechanics of Diplomacy are simple and easy to learn, but the actual gameplay is complex and built around social interactions between players.
The rules that simulate combat in Diplomacy are strategic, abstract, and simple. As a diplomatic simulation game, the combat resolution contains no random elements—no dice are rolled or cards drawn. Each military unit has the same strength, and the game proceeds by seasons, with each year divided into two main seasons: the "Spring" and "Fall" (Autumn) moves. This simplicity allows players to focus on the complex negotiation and alliance-building aspects of the game.
The game is played by two to seven players, each controlling the armed forces of a major European power (or multiple powers with fewer players). The goal is to control 18 or more of the 34 supply centers at the end of a year, which constitutes a win. Players who remain may also agree to a draw, which occurs in about half of all games. The negotiation phase is a key aspect of the game, with players forming and betraying alliances, and creating beneficial strategies to gain new territories and build more troops.
There is no player elimination in Diplomacy, which means that all players remain active throughout the game. This adds to the complexity of the gameplay, as players must constantly adapt their strategies and negotiate with other players. The absence of player elimination also encourages players to lie, betray, and form new alliances to gain an advantage.
The simple rules and complex gameplay of Diplomacy, along with the absence of random elements and player elimination, create a unique and engaging gaming experience. The game is highly influential, intensely beloved, and widely acclaimed by many players, who appreciate its strategic and social aspects. The gameplay mechanics of Diplomacy contribute to its reputation as a classic and influential board game.
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Negotiation and betrayal: Players form and break alliances, with no binding agreements
Diplomacy is a strategic board game created by Allan B. Calhamer in 1954 and released commercially in the United States in 1959. The game is set in Europe in the years leading up to World War I, with players controlling different countries and using diplomacy to form alliances, negotiate, deceive opponents, and manoeuvre armies to gain control of key territories. The game is played by two to seven players, each controlling the armed forces of a major European power (or multiple powers if there are fewer players).
The game is unique in that it does not contain any elements of luck, such as dice or cards, and instead relies solely on strategy and interpersonal negotiation. Players must constantly assess their relationships with other players and form alliances or agreements strategically. These alliances are not binding, and players are free to break them at any time, making trust and betrayal integral parts of the game.
During the negotiation phase, players discuss tactics and strategies, form alliances, and share intelligence or spread disinformation. While negotiations may be made public or kept private, players are not bound to anything they say or promise, and no agreements are enforceable. This means that players must carefully observe their allies' moves and behaviour to evaluate their trustworthiness while also convincing others of their own trustworthiness. A well-timed betrayal can be just as profitable as a reliable alliance.
After the negotiation phase, players write secret orders for each unit, which are then revealed and executed simultaneously. A unit can move from its location to an adjacent space, support an adjacent unit to hold an area during an attack, or support another unit to attack a space it could move to itself. Players can also choose to hold a unit defensively in its current position.
The objective of the game is to control the majority of supply centres on the map, typically 18 out of 34, which allow players to produce more units. The game proceeds by seasons, beginning in the year 1901, with each year divided into two main seasons: spring and autumn moves.
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Player interactions: Social interactions are key, and players pursue their own interests
Diplomacy is a board game that involves social interactions and negotiations among players, each pursuing their own interests. The game is set in Europe in the years leading up to World War I, with players controlling the major European powers of the time. The unique aspect of Diplomacy is the absence of dice or random elements, which are commonly found in other strategic board games. Instead, the game focuses on negotiation and alliance-building, with players forming and betraying alliances to gain a strategic advantage.
The social interactions in Diplomacy are key to the gameplay and can be intense and complex. Players are encouraged to imagine themselves as grand negotiators, forming ephemeral military pacts and alliances to further their own interests. The game is not about upholding moral or ideological values but rather about strategic advantage and territorial gain. This can lead to intense negotiations and secret messages between players, as they try to outmaneuver each other.
As the game progresses, players submit movement orders to their armies and fleets, aiming to gain new territories and build more troops. The goal is to control 18 or more of the 34 supply centers on the board, which represents control over Europe. To achieve this, players must engage in social interactions, negotiate alliances, and sometimes betray their allies to gain an advantage.
The social aspect of Diplomacy can be both a pro and a con. On the one hand, it adds a layer of complexity and realism to the game, as players must navigate social dynamics and negotiate with others. On the other hand, the intense negotiations and betrayals can lead to strained relationships and ruined friendships among players, as the game encourages lying and deception.
Overall, the social interactions in Diplomacy are a key part of the game, and players must pursue their own interests through negotiation and alliance-building. The game's focus on social dynamics and strategic negotiations sets it apart from other board games and creates a unique and intense gameplay experience.
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Online play: Diplomacy is one of the few early board games that is still played online
Diplomacy is a strategy board game invented by a Harvard University undergraduate named Allan B. The classic version of the game is set on a simplified map of Europe in 1901, at the height of the rivalry among the great imperial powers. The game is distinguished from most board wargames by its negotiation phases and the absence of dice and other game elements that produce random effects. Each military unit has the same strength, and the rules that simulate combat are strategic, abstract, and simple. The game proceeds by seasons, beginning in the year 1901, with each year divided into two main seasons: the "Spring" and "Fall" (Autumn) moves.
Diplomacy is one of the few early board games that is still played online. There are several online platforms that allow players to enjoy the game with others from around the world. One popular platform is webDiplomacy, which offers an online, multiplayer, turn-based strategy version of the game. webDiplomacy features many variant Diplomacy boards, and players can create their own games or join existing ones. The platform also implements a Reliability Rating system to facilitate reliable gameplay, where players with a low RR can be blocked out of games with high RR requirements. Another popular option is PlayDiplomacy, which also has an active community of users. For those looking for a free site with many variants, vDiplomacy is a good choice. If you're looking for an Android app, there's also Conspiracy.
Backstabbr is another online Diplomacy platform that has been recommended for its ease of use and clean interface. It's a good option for those who already have a group of players and just need a place to play. For players who want to use more advanced rules variants, there are options available for a modest annual fee.
Diplomacy is a game that encourages players to imagine themselves as grand negotiators redrawing borders with international peers at a summit. The spirit of the game is rooted in the pre-World War I moment when the Western imperial powers divided up the rest of the world between them while maneuvering for strategic advantage in Europe. While the game may be simple to learn, the actual gameplay is complex, built around social interactions between players, each pursuing their own interests through a series of ephemeral military pacts.
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Frequently asked questions
Diplomacy is a good board game for those who enjoy strategic negotiation and forming alliances with other players. The game is simple to learn but the gameplay is complex, as it involves social interactions and encourages players to lie and betray one another. Diplomacy is a classic, influential and beloved board game that is widely acclaimed.
Diplomacy is a strategic board game set in Europe in the years leading up to World War I. Players control the armed forces of a major European power and negotiate, form alliances, and submit orders to their armies to gain new territories and build troops. The goal is to control 18 of the game's supply cities.
Diplomacy is unique because it does not involve dice or other random game elements. Instead, it focuses on negotiation and social interactions between players. The game is also notable for its absence of moral or ideological distinctions among the great powers, allowing players to imagine themselves as grand negotiators without considering religious, national, or democratic values.

























