Here is the full list of all 49 How to Survive 2 achievements.
Reach the maximum level with your character.
Have the camp at maximum level.
Help an ally in trouble 30 times.
Kill 100 infected with flint-tipped fletched ammunition.
Drink 50 potions.
Meet every character in the game.
Equip a pet for the first time.
Prepare every type of potion.
Upgrade 10 weapons with modules.
Kill 5,000 enemies (of all types).
Kill 50 nocturnal infected.
Successfully complete half of Kovac's challenges while keeping the pylon intact.
Finish your first co-operative quest (local or online).
Upgrade a weapon with modules for the first time.
Kill 100 infected with silver bullets.
Kill 500 infected with a critical shot.
Finish Kovac's first challenge in co-operative mode (local or online).
Give an ally an item for the first time.
Finish Kovac's first challenge while keeping the pylon intact.
Kill 50 infected during a last stand.
Prepare a first potion.
Wear the Jester's hat for the first time.
Kill 1,000 infected humans.
Pick at least one of every type of plant.
Kill at least 2 infected with one arrow or crossbow bolt.
Pick 20 locks.
Kill 10 infected with a Bomber explosion.
Join a public camp for the first time.
Pick a lock for the first time.
Customize your survivor for the first time.
Enter Kovac's bunker for the first time.
Kill 2 or more enemies at the same time with a melee weapon.
Kill an infected with a charged attack for the first time.
Successfully complete all of Kovac's challenges while keeping the pylon intact.
Kill 10 infected animals of each species.
Successfully complete all of the elite quests.
Kill 100 infected with traps.
Have all "Survival" skills at the maximum level.
Have all "Weapon" 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.
Cook every type of recipe.
Make every type of armor.
Make every type of weapon.
Finish 15 co-operative quests (local or online).
Finish each of the game's festive quests.
Finish every quest.
Hit a car under alarm with a trash can.