Found all Dog Tags in the game

Raised All Combat Reflexes to Master Level

Impaled Victor Creed outside the Bar

Fought 4 W.E.N.D.I.G.0 prototypes at the same time and defeated them at Alkali lake.

Killed 2000 enemies

Complete 'Welcome To Bad Company' on hard

Complete Soviet mission 5 on any difficulty level

Complete Soviet mission 3 on any difficulty level

Complete Soviet mission 1 on any difficulty level

Raised One Combat Reflex to Master Level

Kill every member of the opposing team at least once during a round.

Play a perfect Team Deathmatch (top player, no deaths).