Single-player games like Zooparasite
Below are 12 single-player Steam games similar to Zooparasite, 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 Zooparasite page.
Ranked picks
- 1

RED TREES RAIL. CO.
Single-player alternative to Zooparasite — playable solo, no multiplayer required. Shares Indie and Adventure with Zooparasite.
Red Trees Rail Co is a VR Horror Train simulator set in a Redwood Forest. Work a tiny night train by yourself, transporting passengers from town to town.
- 2

Anomalous Crossing ~Shibuya~
Single-player alternative to Zooparasite — playable solo, no multiplayer required. Shares Action and Indie with Zooparasite.
Suddenly, you find yourself standing at an empty ticket gate at Shibuya Station. Exit Shibuya Station, cross the scramble crossing, and head towards Center Street. However, please be careful about any anomalies.
- 3

In The Backrooms
Single-player alternative to Zooparasite — playable solo, no multiplayer required. Shares Action and Indie with Zooparasite.
"God save you if you hear something wandering around nearby, because it sure as hell has heard you.."
- 4

Apartment No 129
Single-player alternative to Zooparasite — playable solo, no multiplayer required. Shares Action and Indie with Zooparasite.
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.
- 5

Y. Village - The Visitors
Single-player alternative to Zooparasite — playable solo, no multiplayer required. Shares Action and Indie with Zooparasite.
Batu, tormented by nightmares, is lured to a nameless village via cryptic letters. Investigating the village's secrets with just one friend, he wakes one night to discover his ally gone. He must now locate his friend and elude the village's dark mysteries.
- 6

Unmourned
Single-player alternative to Zooparasite — playable solo, no multiplayer required. Shares Action and Indie with Zooparasite.
Unmourned is a first-person psychological horror game where Jason moves into a new house only to be haunted by escalating paranormal events. Driven by fear, he must uncover the truth behind the previous owners' disappearance. Can he solve the mystery before it's too late?
- 7

Choo-Choo Charles
Single-player alternative to Zooparasite — playable solo, no multiplayer required. Shares Action and Indie with Zooparasite.
Navigate an open-world island in an old train, upgrade it over time, and use it to fight an evil spider train named Charles.
- 8

Zoonomaly
Single-player alternative to Zooparasite — playable solo, no multiplayer required. Shares Action and Indie with Zooparasite.
You must survive a monster infested zoo while searching for key shards that unlock the truth to its origin. Collect all the key shards by solving puzzles throughout the grounds and put a stop to the monster mayhem.
- 9

Circus of TimTim - Mascot Horror Game
Single-player alternative to Zooparasite — playable solo, no multiplayer required. Shares Action and Indie with Zooparasite.
Circus of TimTim is a Stealth Horror Survival Game about two siblings trying to sneak inside the most hunted carnival of all time to recover lost items with a metal detector device, however enemies are roaming around and they can hear your every step! TimTim is not happy ..
- 10

Backrooms: Partygoers
Single-player alternative to Zooparasite — playable solo, no multiplayer required. Shares Action and Indie with Zooparasite.
Backrooms: Partygoers is a backrooms horror game based on Level 0 where you play as a researcher tasked to find anomalies inside the backrooms. You are equip with devices that can beep whenever an anomaly is near, where the partygoers roam and can hear you.
- 11

Only Up To Space
Single-player alternative to Zooparasite — playable solo, no multiplayer required. Shares Action and Indie with Zooparasite.
Only Up To Space is a casual yet heart-pounding climbing and platforming adventure that will test your skill, patience, and determination. As a stranded astronaut, you must ascend through a series of challenging, ever-ascending platforms to reach to the top after losing your shuttle. No wrong steps.
- 12

Liquor And Wine Shop Simulator - Store Simulator
Single-player alternative to Zooparasite — playable solo, no multiplayer required. Shares Action and Indie with Zooparasite.
Liquor and Wine Shop Simulator is a store management game that takes place in the charming streets of France where you run your own Liquor shop! Start small as a cashier, scanning items and giving the correct change to your customers, then work your way up to managing a full-fledged business.