Battlefield: Bad Company's multiplayer supports up to 24 players. The game still focuses on large scale vehicle warfare with a variety of maps, weapons, and vehicles. Thanks to the new Frostbite engine, Destruction plays an integral role into online combat as all maps are almost completely destructible and drastically change over the course of a match. Battlefield: Bad Company features five different classes, each having their own unique weapons, gadgets, and purposes. Assault - Features Assault Rifles best suited for mid-range firefights, an under-mounted 40mm grenade launcher that is useful as a secondary weapon or against light vehicles and cover, and regular hand grenades to use against infantry. A player may also choose to spend one unlock point to unlock the Auto-Injector to heal themselves after a firefight. Demolition - Features shotguns best suited for close-range, a faction-specific rocket launcher good versus vehicles that can also lock on to planted tracer darts, and hand grenades. A player may also choose to spend one unlock point to unlock anti tank mines to set in well traversed areas to prevent vehicles from advancing. Recon - Features sniper rifles best suited for long-range targets, a faction-specific sidearm for use at close range, and motion sensors to spot and track targets in the area when thrown. A player may also choose to spent one unlock point to unlock the laser designator to allow the user to paint any neutral or enemy vehicle or emplacement to call in a laser guided bomb that may be guided towards the target. Specialist - Features compact assault rifles with a silencer that is best suited for close-range to mid-range fights, a tracer dart gun that can be planted on vehicles to allow rocket launcher so lock on to, and regular hand grenades. A player may also choose to spend one unlock point to unlock C4 remote explosives that can be laid out as a trap or placed on vehicles or walls to blow them up. Support - Features light machine guns best suited for mid-range fights, medkits to heal other players and the user themselves, a power drill to fix vehicles and to sabotage enemy vehicles as well as a melee weapon against other players. A player may also choose to unlock the mortar strike designator to call in mortar strikes to damage soft targets at the designated spot.