Co-op games like Grilluminati
Below are 8 cooperative Steam games similar to Grilluminati, 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 Grilluminati page.
Ranked picks
- 1
Huntin' Buddies
Online Co-op alternative to Grilluminati — playable with friends. Shares Action with Grilluminati.
A 4-player online HORROR COMEDY HUNTING game set in a forbidden national park. Hunt wildlife to meet dangerous quotas, drag massive carcasses with your friends and evade the creatures that begin hunting you back.
- 2
Aliens Took My Stuff
Online Co-op alternative to Grilluminati — playable with friends. Shares Action with Grilluminati.
In this 1-4 player co-op simulator, you are aliens stealing people's personal belongings straight from their homes to study their DNA. Use telekinesis, turn invisible, and deploy advanced sci-fi gadgets to rob houses clean. Just avoid getting caught by angry Earthlings!
- 3
QUIET
Online Co-op alternative to Grilluminati — playable with friends. Shares Action and Casual with Grilluminati.
Your ship crashed, your crew is stranded, and this house is somehow your best chance of survival. Search for ship parts while every movement and real-world sound risks alerting the homeowner. Stay QUIET, keep your flock together, and try not to quack under pressure.
- 4
GOOD NEIGHBORS
Online Co-op alternative to Grilluminati — playable with friends. Shares Action with Grilluminati.
Bury a body. But not in your yard. Every house on this street is full of real players. And every player is a serial killer. Bury yours in theirs before they bury theirs in yours. Welcome to GOOD NEIGHBORS.
- 5
The Boo Club
Online Co-op alternative to Grilluminati — playable with friends. Shares Action and Casual with Grilluminati.
The Boo Club is a co-op haunted-house adventure for 1–4 players. Explore a haunted mansion, locate the ritual altar, and complete a dangerous ritual, under the attack of the monster horde! Use teamwork, quick thinking, and a lot of crazy items, and exorcise the mansion!
- 6
Burglin' Gnomes
Online Co-op alternative to Grilluminati — playable with friends. Shares Action with Grilluminati.
An online Co-op game about breaking into houses and causing havoc as a tiny gnome. Avoid danger, repurpose stolen household items, and complete tasks to meet the High-Gnome’s demands. Craft equipment and upgrade your home to make your missions easier and more successful.
- 7
Strike Team Delta
Online Co-op alternative to Grilluminati — playable with friends. Shares Action with Grilluminati.
Strike Team Delta is a gripping first-person shooter set in a post-apocalyptic world. Battle hordes of undead, team up with friends, and reclaim our world. Survival is in your hands.
- 8
Deadzone Rogue 2
Online Co-op alternative to Grilluminati — playable with friends. Shares Action with Grilluminati.
Fight as Talon 13-10 in this FPS roguelite adventure set on a fallen Earth. Combine weapons, augments, and elements to forge devastating builds, and blast through Monarch’s endless machines. Grow stronger each run, solo or with friends.