''Settlers of Catan'' (a.k.a. ''Die Siedler von Catan'') is a multi-award-winning board game by Klaus Teuber. The competing players are settlers attempting to colonise the island of Catan, and must collect and trade resources to build roads, settlements and developments. As they do so they accumulate Victory Points, with additional points being awarded for achievements such as building the longest road or having the largest army. The first player to reach a certain number of Victory Points (usually ten) wins the game.

Because of its very unusual non-zero sum game mechanic, many economics professors use this game to teach concepts of comparative advantage and other economics concepts.

Since its original release, several related games in the ''Catan'' universe have been released, including ''Starfarers of Catan'', ''Catan: The Settlers of the Stone Age'', ''Catan Histories: Settlers of America'', and the ThemedStockBoardGame, ''Star Trek Catan'' (based on ''Series/StarTrekTheOriginalSeries'').

Big Huge Games collaborated with Klaus Teuber to developer the XboxLiveArcade version, ''Catan''.

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!! ''The Settlers of Catan'' and its expanded universe demonstrate examples of:
* ActionGirl: Jean the pirate.
* BreakTheHaughty: Being in the lead can be bad; players will stop trading with you, rob you, and generally direct all of their development/progress cards towards keeping you down. In fact, leading the whole game and winning is [[{{Determinator}} somewhat of a feat]].
* CommandAndConquerEconomy: Roads, settlements, cities, etc. do not appear by themselves.
* CorruptCorporateExecutive: Siegfried, even though he is supposed to be some sort of medieval knight. ([[TheKnightsTemplar Not that the two are necessarily incompatible]].)
* CrouchingMoronHiddenBadass: Mary-Ann has the lowest stats (individual and as a whole) of the computer opponents in the official video games. However, she is one of the toughest opponents thanks to a development-card heavy strategy that often gets her largest army and a host of victory card points.
* DarkHorseVictory: The game has a tendency to end in this. Especially if a game has been going on for a long time, you had better watch who's in the running for the longest road or the largest army, or if anyone has been hanging on to some unplayed development cards for a long time. If one player approaches 10 points while the others are lagging behind, usually the players start helping each other to get points away from the player in the lead. In fact, it's probably best to say that one of the worst things you can do in the game is get an early, solid lead and become the focus of everyone's wrath for the mid-game.
* EuroGame: A classic of the genre.
* ExpandedUniverse: At the time of this edit, there are: a novel, a computer game with a story, characters with personalities and a lot of minor characters who appear in the card game and adventure games. Even the robber was made into three characters with their own comics.
* FollowTheLeader: ''Settlers of Zarahemla'' is a [[Literature/TheBookOfMormon Book of Mormon]]-themed clone of ''Settlers of Catan''. Though being scripture-themed, it is not actually a MoralSubstitute -- it was instead tailored to a [[UsefulNotes/{{Mormonism}} Mormon]] culture market, in the same vein as MormonCinema.
* FourthWallObserver: Magistrate William, author of the famous treatise "The World as a Buildup Strategy Game", which proposes that reality is nothing more than a bunch of hexes, cards and dice.
* GangUpOnTheHuman: Very badly in the first computer game, to the point that all of your opponents will sometimes simultaneously refuse to trade with you when you haven't even had time to make an offer.
* InnocentInnuendo: Pretty much any trade request or statement involving the wood resource. Like, "I have so much wood in my hands right now", or "[[Series/TheBigBangTheory I have wood for sheep]]". (Or not innocent... If you actually use the resource names the game provides, that line would be "I have lumber for wool." This is [[RuleOfFunny a key reason]] nobody ever uses those names.)
* KingmakerScenario: The end game is often a duel between two players, so the other two players are basically deciding which one wins.
* KnowNothingKnowItAll: Louis.
* PatchworkMap: Built randomly from interchangeable hexes.
* PlungerDetonator: In the XboxLiveArcade version, one of the [[EmoteAnimation emote animations]] shows a player using one of these to blow up the dice. The AI sometimes uses it when it has a run of particularly bad rolls.
* TheQuisling: Sometimes encouraged in ''Cities & Knights'' when the Barbarians come calling, if it lets you push weaker players under the bus.
* SinisterMinister: Abbess Hildegard.
* TakeAThirdOption:
** Many decision-making scenarios in-game result in this, especially surrounding card usage.
** In ''Cities & Knights'', players have the option of trying to tie or win the war with the Barbarians. [[spoiler:''Intentionally losing the war'' becomes a viable option however when trying to prevent other players from gaining victory points or progress cards, or causing the player(s) with the least amount of knights to lose a city.]]
* YouRequireMoreVespeneGas: The main part of the game.
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