Defeat 20 Enemies with Hand-to-Hand Combat

Find 1 Treasure

Finish the Game on Normal Without Changing the Difficulty

Kill 30 Enemies with the Dragon Sniper

Find 40 Treasures

Kill 20 Enemies by Shooting from the Hip (without aiming)

Kill 20 Enemies with the Desert - 5

Kill 50 Enemies with the Micro-9mm

Enter the Recall Hints section of the menu.

Complete a level without dying.

Complete Baumusu's challenges for the Ruins of Tiru.

Collect a Rune of Power.