ACHIEVEMENT - HOW TO UNLOCK Act 1 - Complete act 1. Act 2 - Complete act 2. Act 3 - Complete act 3. Act 4 - Complete act 4. Captain - Finish the game on Normal difficulty. Close Range - Kill 250 people using pistol. (Multiplayer) Electrician - Shoot 5 cable lines using sniper rifles. Fallen Eagle - Kill 10 birds. Flying Knives - Kill 10 enemies with throwing knives. General - Finish the game on Hard difficulty. Heavy Fire - Kill a total of 30 enemies with Browning gun. Hold Your Breath - Kill 250 people using sniper rifle. (Multiplayer) Laurel Wreath - Win 50 rounds playing online. (Multiplayer) One Package, Two Receivers - Kill 2 enemy with one grenade. One Shot, Two Kills - Kill 2 enemy with one shot. Rookie - Finish the game on Easy difficulty. Seeker - Collect all secrets. Sharpshooter - Kill 500 people using sniper rifle. (Multiplayer) Sniper Expert - Deliver 50 headshots. Sniper Master - Deliver 100 headshots. Supplier of Death - Kill 2000 enemies. (Multiplayer) The Protector of Pontoon - Kill all enemies attacking your pontoon from the riverside on 'Weaken The Regime' level. Through the Wall - Shoot an enemy through a wall. You Have to Focus - Kill 15 enemy using concentration mode.