Used Health Syringe for the first time.

First kill with a Pipe.

Fought first NPC.

Find your first Asylum File.

Complete Reverse Bear Trap.

Complete a mission without dying or loading a checkpoint.

Complete Training, Camp Taccoa

Complete the Single Player campaign on any difficulty.

Assault Makarov's safe house.

Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.

Storm the gulag.

Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.