Chinese authorities have banned Battlefield 4 from the Chinese mainland making the game illegal and deeming it a “threat to national security”.
The Chinese Ministry has ordered the game to be removed from stores as quickly as possible and told local vendors that it is now illegal to offer the game for sale. According to reports the Ministry claims that Battlefield 4 is an “illegal game, with content that endangers national security, and is all about cultural invasion”.
Battlefield 4 the game, and any downloads including patches and even news relating to the game will is being deleted from the Chinese internet as we type.
The reason for the ban is due to the launch of am expansion for the game named “China Rising” that contains maps of the Chinese mainland where a virtual war rages.[ Source ]