Dunia Engine is a video game engine originally developed by Ubisoft Montreal and primarily used in the popular Far Cry series, starting with Far Cry 2 in 2008. Based on CryEngine, Dunia was modified and optimized to offer advanced graphics, open-world simulation, and realistic effects, such as dynamic lighting, changing weather, and interactive physics. Dunia Engine has evolved over the years, incorporating innovations such as advanced artificial intelligence and tools for designing richer and more detailed worlds.