Single-player games like SymbioPhobiA
Below are 8 single-player Steam games similar to SymbioPhobiA, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like SymbioPhobiA page.
Ranked picks
- 1
The Last Man
Single-player alternative to SymbioPhobiA — playable solo, no multiplayer required. Shares Action and Indie with SymbioPhobiA.
A topdown survival space horror where a single enemy hit can end your life
- 2
EVIL BELOW™
Single-player alternative to SymbioPhobiA — playable solo, no multiplayer required. Shares Action and Indie with SymbioPhobiA.
Take the role of a mother searching for her child in a mysterious world filled with dark creatures blinded by faith and greed. Prepare to run, hide, kill and survive.
- 3
MOULD
Single-player alternative to SymbioPhobiA — playable solo, no multiplayer required. Shares Action and Indie with SymbioPhobiA.
MOULD is an adventure horror game about a shattered Soviet dream. The Earth is slowly becoming uninhabitable, humanity is gone, and its place has been taken by a monstrous life form, capable of surviving in the planet's new conditions.
- 4
Skinwalker Hunt
Single-player alternative to SymbioPhobiA — playable solo, no multiplayer required. Shares Action and Indie with SymbioPhobiA.
Skinwalker Hunt is a horror themed hunting game from the creator of Witch Hunt. Main focus of the game is on exploration, non-linear gameplay, and atmosphere.
- 5
Apartment No 129
Single-player alternative to SymbioPhobiA — playable solo, no multiplayer required. Shares Action and Indie with SymbioPhobiA.
Emir, who has an interest in mysterious events, steps alone into the abandoned apartment known as "Apartment No 129" to trace the trail of a paranormal event that occurred in 2009 and shook the country. However, he will find himself in an unexpected confrontation within this horror apartment.
- 6
Endoparasitic 2
Single-player alternative to SymbioPhobiA — playable solo, no multiplayer required. Shares Action and Indie with SymbioPhobiA.
Three limbs ripped off, infected with a deadly parasite, you must survive. Drag yourself through the hallways of an infested arcship, fight off twisted eldritch creatures, craft vaccines and ammunition, and escape to civilization.
- 7
Silly Polly Beast
Single-player alternative to SymbioPhobiA — playable solo, no multiplayer required. Shares Action and Indie with SymbioPhobiA.
An otherworldly, story-driven shooter with aggressive gunfights and terrifying monsters awaits you. This is the story of a girl who, by the will of fate, faced the beast - and in order to become free, she was forced to study its nature. How far can you go in the fight for your freedom?
- 8
ROUTINE
Single-player alternative to SymbioPhobiA — playable solo, no multiplayer required. Shares Action and Indie with SymbioPhobiA.
ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.