Another Engine
Speaking of the Frostbite engine, there were actually two other engines in-use before Frostbite. One engine was used for a single title, while the other was used to power the franchise up until, and including, Battlefield 2. It's amazing to see how far the game has come in terms of graphics, just look at Battlefield Vietnam and compare it to Battlefield 1. Boy, I think it's about time for another Battlefield Vietnam title. Right, the question: What are the names of these two engines?
Read: 5 Possible Conflicts to Set the Next Battlefield In