Refractor 2

The Refractor 2 engine is an improvement on Refraction's Refractor engine which DICE used as the basis for developing the Refractor 2 engine for Battlefield 1942 and Battlefield Vietnam.
The Refractor 2 engine was significantly improved with new technologies and effects i.e. it became the engine for four games Battlefield 2 Battlefield 2142 Battlefield Heroes and Battlefield Play4Free.