Kill 30 Enemies with the Arm Micro

Kill 10 Enemies in a Row, Alternating Hand-to-Hand Combat and Gunfire

Kill 4 Enemies with 1 Explosion

Finish the Game on Crushing Without Changing the Difficulty

Finish the Game on Normal Without Changing the Difficulty

Defeat 20 Enemies by Blind-Firing While in Cover (without aiming)

Find 100 Treasures

Kill 30 Enemies with the M9

Find 80 Treasures

Kill 30 Enemies with the KAL-7

Find 60 Treasures

Kill 30 Enemies with the G-MAL