CryEngine is a powerful gaming engine written in C++, Lua and C#. This Engine was originally developed by German game developer Crytex. In 2000, the Crytex made partnership with Ubisoft that actually accelerated its growth. The first version of FarCry game was launched in 2004 and the engine was made available under a license. FarCry is still one of the best first person games in general.
The Dunia Engine is a software fork of CryEngine designed by Kirmaan Aboobaker while working at Crytek. Sharing the source code of CryEngine, the Ubisoft Montréal development team heavily modified it for use in Far Cry 2. A revamped and revised version of the Dunia Engine is utilized for James Cameron’s Avatar: The Game. Assassin’s Creed II and Assassin’s Creed: Brotherhood also uses Far Cry 2’s foliage technology.