Battlefield: Bad Company 2 is set in the present day after the events of Battlefield: Bad Company . The four members of B-Company, better known as Bad Company, are sent behind enemy lines to secure a device related to Aurora. However, their mission turns out to be a fake, and they are reassigned to stop Aurora.
The game's single player campaign follows Private Preston Marlowe as he uncovers the mysteries surrounding Aurora. The player must complete various objectives while fighting against enemies using a wide range of military equipment. As the player progresses, they can unlock new weapons and equip them from supply drops.
Battlefield: Bad Company 2 features class-based and team-based multiplayer for up to 32 players. The game modes include Rush, Conquest, Squad-Rush, and Squad-Deathmatch, each with its own unique gameplay mechanics. The available classes are Assault, Engineer, Medic, and Recon, each with their own set of weapons and gadgets.
The game's multiplayer mode allows for a mix of infantry-heavy and vehicle-based gameplay. Players can use vehicles like bikes, tanks, or helicopters to take advantage of the Destruction 2.0 system, which enables them to destroy buildings with enough firepower. The health system is a combination of using med-packs and automatic healing.