Kill 5 Helghast in 15 seconds whilst on foot and maintaining at least 85% health

Revive your buddies a total of 25 times

You completed the mission "Uncle Vlad".

Finish the game in Easy Mode

Defeat 50 enemies with the Dragon Sniper

Defeat 50 enemies with the 92FS - 9mm

Defeat 30 enemies with the Desert - 5

Defeat 70 enemies with the M4

Defeat 20 enemies with the Pistole

Find 30 treasures

Defeat 20 enemies with gunfire by aiming while hanging

Defeat 50 enemies with hand-to-hand combat