Kill 10 Enemies in a Row with a Single Punch After Weakening Them with Gunfire

Beat the Last Chapter Without Dying on Normal Difficulty or Harder

Kill 75 Enemies in a Row Without Dying

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Find 60 Treasures

Find 40 Treasures

Kill 20 Enemies with Gunfire While Hanging

Kill 10 Enemies with Grenades While Hanging

Finish the Game on Brutal Without Changing the Difficulty

Kill 20 Enemies with the Desert - 5

Kill 50 Enemies by Melee-Attacking from Behind

Kill 5 Enemies in a Row with Brutal Combo

Complete the game in less than 2 hours.