Have all "Weapon" skills at the maximum level.
Unlock all of the game's trophies.
Have all "Survival" skills at the maximum level.
Have all "Stamina" skills at the maximum level.
Have all "Special abilities" skills at the maximum level.
Have all "In Danger" skills at maximum level.
Kill 100 infected with traps.
Kill 10 infected animals of each species.
Make every type of weapon.
Reach the maximum level with your character.
Have the camp at maximum level.
Successfully complete all of Kovac's challenges while keeping the pylon intact.
Make every type of armor.
Finish every quest.
Successfully complete all of the elite quests.
Cook every type of recipe.
Kill 50 nocturnal infected.
Drink 50 potions.
Kill 1,000 infected humans.
Upgrade 10 weapons with modules.
Kill 5,000 enemies (of all types).
Meet every character in the game.
Prepare every type of potion.
Prepare a first potion.
Successfully complete half of Kovac's challenges while keeping the pylon intact.
Kill 100 infected with silver bullets.
Kill 100 infected with flint-tipped fletched ammunition.
Finish each of the game's festive quests.
Equip a pet for the first time.
Kill 50 infected during a last stand.
Hit a car under alarm with a trash can.
Wear the Jester's hat for the first time.
Upgrade a weapon with modules for the first time.
Kill 500 infected with a critical shot.
Pick 20 locks.
Finish 15 co-operative quests (local or online).
Pick at least one of every type of plant.
Finish Kovac's first challenge while keeping the pylon intact.
Finish Kovac's first challenge in co-operative mode (local or online).
Help an ally in trouble 30 times.
Kill at least 2 infected with one arrow or crossbow bolt.
Kill 10 infected with a Bomber explosion.
Join a public camp for the first time.
Kill 2 or more enemies at the same time with a melee weapon.
Pick a lock for the first time.
Enter Kovac's bunker for the first time.
Kill an infected with a charged attack for the first time.
Give an ally an item for the first time.
Finish your first co-operative quest (local or online).
Customize your survivor for the first time.