Full list of all 73 The Backrooms: Survival achievements.
The base game contains 61 achievements, and there are 3 DLC packs containing 12 achievements.
Surviving being set ablaze
Find "Level FUN"
Obtain almond water
Collect 10 Backcoins
Consume HNT Backrooms-Carpet flavoured crisps
Kill any entity with a weapon
Return to a previous level
Enter the "negative" levels
Discover the "Castle" levels
Stop yourself from bleeding
Use a sanity pill
Unlock a safe
Repair a weapon
Find a television
Find a telephone
Survive being chased by an entity
Reach Level 1
Reach Level 3
Reach Level 5
Reach Level 10
Unlock a locked door
Find a stuffed toy
Encounter a hound
Encounter a smiler
Unlock and climb through an air vent
Find the "Poolrooms" level
Find the "Greek labyrinth" level
Find the "Torture Rooms"
Unlock a "big chest"
Cure yourself from poison
Drink a "Dubious Liquid"
Upgrade a weapon
Buy an item from a friendly entity
Find the "City"
This new achievement will be available in the next update!
Drink "Super Almond Water"
Eat a protein bar
Use a shot of adrenaline
See a skin stealer transform
Find a nailgun
Use a vending machine
Equip body armor
Find a crafting blueprint
Craft an item
Kill "Santa"...
Consume Axolotl water
Sell an item
Drink 25 liquids
Drink 50 Liquids
Consume 25 Food
Consume 50 Food
Encounter a death moth!
Consume a painkiller
Obtain a crossbow
Obtain an Air Rifle or Air Pistol
Enchant a weapon with an elemental effect
Get drunk!
Find the "safe level"
Consume any Lucky o' Milk variant
Headshot an entity
Use a teleportation gem
Bestow the haste effect on yourself
Obtain a modern firearm
Obtain a weapon with the heavy affinity
Obtain a weapon with the critical affinity
Obtain a weapon with the rare affinity
Obtain a weapon with the special affinity
Obtain a weapon with the legendary affinity