Twelve factions, each with unique characteristics, populate this world of varying terrains. Here you will compete to erect buildings and merge them into cities. Each game allows you to create new combinations of factions, homelands, and abilities so that each game isn't the same as another. You control one of these factions and will terraform the game map's terrain into your homelands where you can erect your buildings. Proximity to other factions may limit your expansion, but it also gains you significant advantages in the game. This tension adds to the appeal of the Terra Mystica series.