15 Seeker kills in single player campaign

20 Centurion kills in single player campaign

25 Kasimov SNV-E99 slo-mo kills in single player campaign

30 Volk S4 kills in single player campaign

Complete the game on "Hardcore" or higher.

Complete the game on "Inferno."

Obtain all trophies.

Complete the game on "Nightmare" or higher.

Defeat two enemies with a single shot.

Complete the game using 1 or fewer recovery items.

Defeat Stage 3 Nemesis.

Destroy all Charlie dolls.