Islands should be correctly known as terrains, since not all terrain has to be surrounded by sea, and one terrain may contain many islands. Islands/terrains are used in a similar manner to the way "maps" are used in traditional games, although in ArmA they are much larger. Any number of missions may be set on a single terrain, but a single mission may only use one terrain. Terrains can vary in size from a few hundred square meters up to several hundred square kilometers. The entire terrain is available to the game engine during a mission, although missions can be restricted to a specific area. Units and additional objects are defined by the mission allowing different missions to use the same locations in vastly different ways. For example, in one mission a city could be full of civilian life, while in another it could be a fortified enemy stronghold.
Official BI Terrains
- Sahrani (file extension .Sara)
- Rahmadi (.Intro)
- Southern Sahrani (.SaraLite)
- United Sahrani (.Sara_dbe1)
- Porto (.Porto)
United Sahrani and Porto are available only in Queen's Gambit expansion.