Complete chapter 1.

Kill an enemy knight with only the knife.

Kill 4 enemy soldiers at once with an explosive barrel.

Purchase your first item from the Merchant.

Sell more than 500 cigarettes worth of items to the Merchant.

Burn 10 enemy corpses.

Refind a lost photo twice.

Kill 25 enemies in the trench run sequence.

Open a special drawer.

Use the transport truck to travel to 3 different locations in Verdun.

Achieve ending 1A or 1B.

Complete chapter 2.

Achieve ending 2A or 2B.

Achieve ending 3A or 3B.

Complete the main story with an S rank on any difficulty.

Complete the main story without directly killing any enemies with guns, melee, grenades, or hazards.

Complete the main story on Veteran difficulty.

Complete the main story without damaging enemies with guns or grenades (ending 3A, 3B, or 4 only).

Obtain maximum health and stamina levels.

View all 15 pieces of propaganda.

Obtain the Mustang-11 from Gaston.

Offer medical supplies to the Medic 3 times in a single playthrough.

Complete chapter 3.

Achieve ending 4 (secret ending).

Achieve a new game S+ rank on Veteran, without checkpoints and unlimited saves (no ending 1A or 1B).

Complete the main story in 6 saves or under and without checkpoints (no ending 1A or 1B).

Complete the main story in under 3 hours (no ending 1A or 1B).

Acquire infinite ammo from the Merchant (fully upgrade all weapons).

Complete chapter 4.

Complete chapter 5.

Complete chapter 6.

Upgrade a gun for the first time

Fully upgrade a gun.

Kill 2 enemy soldiers with one shotgun blast.