Obtain all the achievements of the game.
Deplete the armor of a fully armored enemy, then kill him with a melee attack
Eliminate 3 or more enemies with one grenade
Eliminate 6 enemies with one magazine of the .44 Magnum
Stab 15 enemies from behind without being noticed
Find all collectible items
Find all the documents
Find 15 documents
Find 10 documents
Complete sanctuary cliff in under 3 minutes
Eliminate 20 enemies with Improvised Weapons
Kill 4 enemies at once with the bazooka
Eliminate 15 enemies with a headshot in one level
Eliminate 5 enemies in a row with a headshot with the Dragounov.
Die more than 25 times
Destroy the punching bag
Make it through a level without shooting anyone
Crash everything at the beach house
Complete the campaign on easy difficulty
Complete the campaign on medium difficulty
Complete the campaign on maximum difficulty.
Find 5 documents
Find the secret entrance to Sanctuary
Complete a level without being damaged
Swing from one grappling hook another 3 times without touching the floor
Escape the Canyons on a jet
Find your first document
Empty the magazine of the revolver using the alternative fire mode without missing any shots
Eliminated 5 enemies with your fists in a row
Have XIII drowned
Get 20 pieces of Armor
Unlock 15 doors
Eliminated 10 enemies without getting hurt
Eliminate 5 enemies in a row without alerting them
Find a way into Emerald Base
Find 10 Medkits
Get full armor
Find your first collectable item
Kill an enemy with the last bullet of the revolver
Try to reach the truck in Brighton Beach