Co-op games like Phobos
Below are 8 cooperative Steam games similar to Phobos, 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 Phobos page.
Ranked picks
- 1
Screamcorp
Co-op alternative to Phobos — playable with friends. Shares Action with Phobos.
Bottle up real players' screams with your friends. You work as monsters and step through real players' bedrooms. And if they scream, you win. Every kid is a REAL PLAYER. If they scream into their mic, THEY lose. An asymmetric monster to victim screaming game with voice chat as the lose condition.
- 2
GLANCED
Co-op alternative to Phobos — playable with friends. Shares Action with Phobos.
Step inside. Infiltrate the manor of porcelain dolls, some are maybe your friends. Steal the key from her cold neck, find the door, and whatever you do, don’t meet her eyes. One glance is enough to lose your body. GLANCED: forget FPS shooters. Here, just a look...KILLS. Now, just survive...
- 3
Deep Dark Space
Online Co-op alternative to Phobos — playable with friends. Shares Action with Phobos.
Deep Dark Space is a 4-player online co-op horror experience set in space. Explore abandoned stations, gather clues, and uncover the monster lurking in the dark. Trust no one — paranoia runs high as hidden betrayals threaten your survival.
- 4
SHAPE & SHADE
Co-op alternative to Phobos — playable with friends.
SHAPE & SHADE is a multiplayer game that combines Prop Hunt and Social deduction mechanics, draw your own disguise and survive until de train reach the Station. Watch your friends slowly go crazy trying to figure out what's real and what’s not !
- 5
Infected: Outpost
Online Co-op alternative to Phobos — playable with friends. Shares Action with Phobos.
SOMEONE IS INFECTED! Gather resources, refuel the generator, and escape the facility before time runs out! But beware; the infected can shapeshift into their victims. Face your friends in a social deduction horror game like no other!
- 6
Sincognito
Co-op alternative to Phobos — playable with friends. Shares Action with Phobos.
A social deduction investigation horror game where one of you is secretly possessed by a Deadly Sin. Use stealth and proximity chat to cooperate or deceive as you gather clues and compare findings to deduce which Sin is haunting the castle.
- 7
BACKROOMS: APPREHENSION
Online Co-op alternative to Phobos — playable with friends. Shares Action with Phobos.
A terrifying multiplayer horror experience with social deduction elements. Trapped in the Backrooms, up to 12 players must try to work together to survive and expose the shapeshifting Skin Stealer hiding among them before it’s too late. Who will you trust?
- 8
In Silence
Co-op alternative to Phobos — playable with friends. Shares Action with Phobos.
In Silence is a multiplayer horror game. One player takes on the role of the monster who has hypersensitive hearing abilities and is almost completely blind. The other players(2-6) play as survivors, trying to escape or hunting the monster.