However DICE saw

the game shine and soon acquired Refraction and, having learned a great deal from Operation Eagle, produced Battlefield 1942, which was ultimately a major success.

Operation Eagle's Refractor engine
It was upgraded with significant improvements to the Refractor 2 engine, which was used in several Battlefield games.
Some Battlefield enthusiasts see Operation Eagle as a precursor to the Battlefield series and have paid homage to the game by developing modules to emulate Operation Eagle on Battlefield 1942 and Battlefield 2.