First Blood 2: Blade Reckoning (Coop)
Get the first kill in a round with a knife while playing in cooperative mode
Play Kandagal and Contact on any mode, Conquer on any map, gear up with the Galil, SLR, Sterling, .38 revolver, use the new grenade launchers with sights and hook up a drum magazine attachment to receive this humble achievement.
Decisive Victory: Verticality
Successfully complete the cooperative checkpoint mission of Verticality