Culture () is one of the three kinds of Commerce a city can produce. It also determines your borders and can be adjusted along with Research and Espionage. Percentages that appear when hovering on land tiles show how much culture a civilization is exerting on that tile.
|Civilization IV |
|Warlords • Beyond the Sword • Colonization†|
|† Total conversion remake of the game Sid Meier's Colonization using Civilization IV engine|