Find 20 Treasures

Kill 20 Enemies with Headshots

Find 1 Treasure

Finish the Game on Normal Without Changing the Difficulty

Find 40 Treasures

Defeat 250 Enemies with Headshots

Kill 5 Enemies in a Row with Headshots

Kill 30 Enemies with Mk-NDI Grenades

Find 20 Treasures

Finish the Game on Easy Without Changing the Difficulty

Kill 30 Enemies with the Dragon Sniper

Kill 30 Enemies with the MP40

Find 10 Treasures