Co-op games like Unhuman Nightmare
Below are 8 cooperative Steam games similar to Unhuman Nightmare, 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 Unhuman Nightmare page.
Ranked picks
- 1
Alchemists
Online Co-op alternative to Unhuman Nightmare — playable with friends. Shares Action and Indie with Unhuman Nightmare.
Alchemists is a Co-Op horror game that can be played with at least a minimum of 1 and a maximum of 4 players. Your goal is to expel the evil spirit from cursed places by completing the 4 Element ritual. Destroy the monster alone or with your team using your tools.
- 2
DRYN: Don't Reveal Your Next
Online Co-op alternative to Unhuman Nightmare — playable with friends. Shares Action and Indie with Unhuman Nightmare.
An online co-op horror game for up to 6 players. Scavenge dangerous, abandoned environments for valuable loot to meet the Company's strict profit quota. Survive unpredictable monsters, manage your gear, and work together to escape alive.
- 3
Invokyr
Online Co-op alternative to Unhuman Nightmare — playable with friends. Shares Action and Indie with Unhuman Nightmare.
A co-op survival horror game about a cursed board game. Play with up to 5 friends. Roll the dice, survive the horrors that are summoned, and beat the Gamemaster to win your freedom.
- 4
Ectocrosis
Online Co-op alternative to Unhuman Nightmare — playable with friends. Shares Action and Indie with Unhuman Nightmare.
Investigate the Unknown. Master the Occult. Decide the Fate of Two Worlds. The veil separating reality from the supernatural has collapsed. Now humanity's survival depends on those willing to confront what lies beyond the veil.
- 5
Mimic
Online Co-op alternative to Unhuman Nightmare — playable with friends. Shares Action and Indie with Unhuman Nightmare.
Deduce who you can trust in this asymmetrical online survival horror game for up to 10 players. Solve the objectives, survive the killer Android hunting you, and hunt from the shadows as the Mimic; a shape-shifting terror hiding amongst you.
- 6
Mantra
Online Co-op alternative to Unhuman Nightmare — playable with friends. Shares Action and Indie with Unhuman Nightmare.
Mantra is a multiplayer (1-4 player) and single-player psychological-horror game with high tension. Do whatever it takes to save your soul that has been possessed by an demonic spirit. If you don't, demon will imprison you in hell for eternity.
- 7
Keepers of Kur
Online Co-op alternative to Unhuman Nightmare — playable with friends. Shares Action and Indie with Unhuman Nightmare.
A 1-4 player co-op horror game where hunters track cursed objects using a mirror that shifts between two parallel dimensions. Survive haunted missions, outsmart possessed creatures, and recover supernatural artifacts together.
- 8
The Urbexan Files
Online Co-op alternative to Unhuman Nightmare — playable with friends. Shares Action and Indie with Unhuman Nightmare.
A first-person co-op urban exploration horror game where you hunt for procedural loot in eerie, seamless liminal spaces. Team up with friends or explore solo to extract valuables before a relentless entity wakes. Manage your sanity, avoid line of sight, and loot before you are hunted down.