The developers of the portal mode of "Battlefield 6" have warned that EA is closing custom maps such as "Call of Duty" classic maps Shipment and Nuclear Explosion Town, citing "inappropriate references to third-party products."

It is speculated that EA is worried about potential legal prosecution by Activision Blizzard.This move may force some people to rename these custom maps, but it will also make it difficult for ordinary players to find them.

Of course, there are many other maps in the portal mode, and some players are creating maps from before the "Battlefield" series, such as the Nosa Canal in "Battlefield 3".