Co-op games like Facility 37
Below are 8 cooperative Steam games similar to Facility 37, ranked by player overlap and content similarity. Every pick supports cooperative play — online co-op, LAN co-op, or shared/split-screen — so you can play with friends right out of the box. imho.run pulls from the same Steam category data Valve uses internally, so "Co-op" here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Facility 37 page.
Ranked picks
- 1
Backrooms Cycle
Online Co-op alternative to Facility 37 — playable with friends. Shares Action and Indie with Facility 37.
Backrooms Cycle is an immersive exploration RPG/FPS horror set in the backrooms. You will explore and scavenge, build up your arsenal and gain powerful perks. Decide if you want to rescue fellow scientists, build an outpost in the poolrooms or just care about yourself.
- 2
Deepscape Inc
Online Co-op alternative to Facility 37 — playable with friends. Shares Action and Indie with Facility 37.
2 to 4 player co-op horror game. You wake up marked with an ID number you can't see on your own back. Only your fellow inmates can read it. Find each other, share your numbers, reach your validation rooms, and get out before whatever roams the halls finds you first." en francais
- 3
Subsurface
Online Co-op alternative to Facility 37 — playable with friends. Shares Action and Indie with Facility 37.
A 1–4 player co-op underwater horror game where you and your crew descend into the depths, recover valuable resources, meet your quota, and survive whatever lurks below.
- 4
Sorry, That Notice Guarantees Nothing
Online Co-op alternative to Facility 37 — playable with friends. Shares Action and Indie with Facility 37.
A 2–8 player online rule-deduction horror game. Cooperate, outmaneuver your crew, and uncover real safety rules and escape clues. Survive timed rules and unpredictable environmental threats. Optional Infested Mode gives you another reason to question whom to trust.
- 5
The Silent Expedition Echo Protocol
Online Co-op alternative to Facility 37 — playable with friends. Shares Action and Indie with Facility 37.
Co-op first-person horror for 1–4 players. You and your friends are trapped in endless liminal backrooms where nothing makes sense. Explore, find keys and almond water, and work together to evade unstoppable monsters and escape.
- 6
Return the Backrooms
Online Co-op alternative to Facility 37 — playable with friends. Shares Indie and Adventure with Facility 37.
Return the Backrooms is a Co-op horror game for 1-4 players where you can have a great time with your friends. Think, Explore, Wander, find the key items and try to escape. but be careful because something is lurking in the dark...
- 7
The Maze Project
Online Co-op alternative to Facility 37 — playable with friends. Shares Action and Indie with Facility 37.
The Maze Project is a psychological horror game set in a dark, creepy maze. Unaware of how you found yourself here, you must escape from this twisted nightmare. Survive from the dark manifestations that lurk around the maze waiting for every opportunity to get you, and uncover the hidden secrets.
- 8
Give Us A Sign
Online Co-op alternative to Facility 37 — playable with friends. Shares Action and Indie with Facility 37.
Give Us A Sign is a 1-4 player co-op psychological horror simulation. As an investigator, use specialized equipment to detect entities and gather evidence in haunted locations. Every word you speak shapes the haunting around you. Once you ask for a sign, there is no turning back.