User Guide

INTRODUCTION
This section of the manual contains advanced rules for Sid
Meier’s Civilization IV.The advanced manual includes sections
on terrain, units, cities, technology, difficulty levels, the Options
Screen, multiplayer games, and mods.
TERRAIN
In this section you’ll find a description of all of the terrain-
types in the game, followed by a list of the resources.
TERRAIN TYPES
Coast
Food: 1
Production: 0
Commerce: 2
Defensive Bonus: 10%
Cannot build cities on
coastal squares.
Desert
Food: 0
Production: 0
Commerce: 0
Defensive Bonus: 0%
+1 commerce adjacent to
river; improvements take
25% longer to build.
Grassland
Food: 2
Production: 0
Commerce: 0
Defensive Bonus: 0%
+1 commerce adjacent
to river.
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Snow
Food: 0
Production: 0
Commerce: 0
Defensive Bonus: 0%
Improvements take 50%
longer to build.
Ocean
Food: 1
Production: 0
Commerce: 1
Defensive Bonus: 0%
Peak
Food: 0
Production: 0
Commerce: 0
Defensive Bonus: 0%
Impassable terrain.
Plains
Food: 1
Production: 1
Commerce: 0
Defensive Bonus: 0%
+1 commerce adjacent
to river.
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