sentences:  Ubisoft has developed a new engine specifically for "Far Cry 2", called Dunia, meaning "world" in Arabic.The Dunia engine was built specifically for "Far Cry 2" by Ubisoft Montreal development team.It delivers realistic semi-destructible environments, special effects such as dynamic fire propagation and storm effects, real-time night-and-day cycle, dynamic music system and non-scripted enemy A.I actions.