The Battlefield series is no stranger to total conversion mods. The modding scene, however, was much more active in the BF1942 and BF2 days, simply because DICE was happy to allow anyone access to the engine, and it helped grow the series. Battlefield 2 itself, for instance, was born out of the Modern Combat mod for BF1942.
Arguably the most recognisable, highest-profile mod in Battlefield history is Project Reality for BF2. The mod’s aim was to build on the game’s existing mechanics and combined arms focus to create a realistic combat experience that goes well beyond simply toggling on Hardcore Mode.
The developers of that Project Reality went on to create the successful multiplayer shooter Squad, the most respected in the field of tactical, large-scale shooters today. But Squad has grown quite a bit since the days of simply being a standalone Project Reality. And with that growth, came significant complexity in logistical mechanics, which have a tendency to turn casual players away.