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== General Principles == | == General Principles == | ||
Unlike the Civilization series of games, border expansion is entirely deterministic. It is also not dependent on culture. | Unlike the Civilization series of games, border expansion is almost entirely deterministic. It is also not dependent on culture. | ||
Your borders will expand to “join up” if you control the tiles all around it, so you won’t be left with tiny “holes” in your borders around your Kingdom. | Your borders will expand to “join up” if you control the tiles all around it, so you won’t be left with tiny “holes” in your borders around your Kingdom. | ||
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Ultimately, the number of workable tiles a city has at its disposal is a function of its borders. As a city’s borders cast an increasingly wider net, you get more tiles to play with, and there are several things you can do to help speed that along. Here are the major ones: | Ultimately, the number of workable tiles a city has at its disposal is a function of its borders. As a city’s borders cast an increasingly wider net, you get more tiles to play with, and there are several things you can do to help speed that along. Here are the major ones: | ||
* Urban tile improvements built on your border (examples include Shrine, Monastery, Hamlet) will extend your city’s borders | * Urban Tile Improvements with specialists trained for them (spreads borders one tile in every direction, if possible). | ||
* Urban tile improvements built on your border (examples include Shrine, Monastery, Hamlet)will extend your city’s borders. | |||
* Train [[Specialists]] – Training specialists may expand your borders, provided that the tiles adjacent to the tile the specialist was trained on are not currently inside your borders. | * Train [[Specialists]] – Training specialists may expand your borders, provided that the tiles adjacent to the tile the specialist was trained on are not currently inside your borders. | ||
* [[Events]] – Sometimes, you’ll get an event which has an option to expand a city’s border tiles. | * [[Events]] – Sometimes, you’ll get an event which has an option to expand a city’s border tiles. | ||
* [[ | * [[Colonization]] – This law allows you to buy tiles not yet enclosed by any city’s borders. The tile acquisition cost starts out very low but can scale rather quickly. | ||
* [[Landowners]] Family – Founding the “Seat” of the Landowners family allows you to buy tiles for that city from the turn of founding. | * [[Landowners]] Family – Founding the “Seat” of the Landowners family allows you to buy tiles for that city from the turn of founding. | ||
* The [[Border Boost]] Bonus Card – Available at Aristocracy, this card will grant a few extra tiles to every city you have when you complete the research on the card. | * The [[Border Boost]] Bonus Card – Available at Aristocracy, this card will grant a few extra tiles to every city you have when you complete the research on the card. | ||
* If you have two land tiles that both border a water tile, you'll get the water tile | |||
== City Founding Rules == | == City Founding Rules == | ||
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* All tiles in a 2 tiles radius from the city center (the exact spot you settle the city) | * All tiles in a 2 tiles radius from the city center (the exact spot you settle the city) | ||
Then you have all the criteria for additional expansion | Then you have all the criteria for additional expansion (some of which may sometimes be inconsistent and/or we don't fully understand them yet): | ||
* You automatically get the mountain tiles when you own all the adjacent passable tiles (and possibly mountain tiles adjacent to no passable tiles but adjacent to your territory) | |||
* You automatically get resources tiles adjacent to your territory, if the tile from your territory that they're adjacent to doesn't itself contain a resource or a mountain | |||
* You get all water tiles that are coastal and for which you own at least two adjacent land tiles | |||
== Additional border spread rules == | |||
* '''Adjacent Resources:''' Spreading a border adjacent to a resource will "capture" the resource tile as extra spread. | |||
* '''Water tiles:''' | |||
# Spread extends to all water tiles adjacent to >=2 owned land tiles | |||
# Spread extends to all water tiles adjacent to an urban tile (same as for land tiles) | |||
* '''Opposite adjacent tiles:''' Borders spread/collapse onto tiles that are adjacent to owned tiles on opposite sides. | |||
# Example case 1: A 4-sided-U-shape collapses due to this. | |||
# Example case 2: A 1-tile gap between two of your cities collapses if the tiles are on opposite sides. | |||
# Example case 3: Two non-opposites adjacent tiles dont cause spread. (rare case) | |||
Any | * '''Chain effects:''' Any extra spread from above rules can itself cause extra spread by the rules. E.g. spread to an adjacent resource tile causes spread to resource tiles adjacent to this resource tile. | ||
== Examples == | == Examples == |