Single-player games like Zero Symptom
Below are 11 single-player Steam games similar to Zero Symptom, 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 Zero Symptom page.
Ranked picks
- 1

Unknown Woods
Single-player alternative to Zero Symptom — playable solo, no multiplayer required. Shares Action and Indie with Zero Symptom.
A brutal horror action FPS where you will be fighting for survival against creatures of the woods and finding out the mysteries that lie around in the dark forest
- 2

Resident Evil Requiem
Single-player alternative to Zero Symptom — playable solo, no multiplayer required. Shares Action and Adventure with Zero Symptom.
Requiem for the dead. Nightmare for the living. Prepare to escape death in a heart-stopping experience that will chill you to your core.
- 3

Panic
Single-player alternative to Zero Symptom — playable solo, no multiplayer required. Shares Action and Indie with Zero Symptom.
Panic is a single-player, horror game that puts you in the shoes of David, a young man who struggles with mental disorders. As you join him on his journey you will discover an immersive narrative experience that will stay with you long after you finish your journey.
- 4

The Fallow City
Single-player alternative to Zero Symptom — playable solo, no multiplayer required. Shares Action and Indie with Zero Symptom.
In a haunted apocalypse, two brothers must fight, craft, solve, and survive against relentless zombies and terrifying, haunting creatures.
- 5

Slipgate
Single-player alternative to Zero Symptom — playable solo, no multiplayer required. Shares Action and Indie with Zero Symptom.
Explore the gloomy rooms of a sci-fi base as a doomed marine, the sole survivor of the portal experiment. Save humanity as you did in the 90s with your trusty shotgun, make your way through ominous corridors inhabited by the shadows of sinners and evil spirits.
- 6

Fossilfuel 2
Single-player alternative to Zero Symptom — playable solo, no multiplayer required. Shares Action and Indie with Zero Symptom.
Turn up the volume, turn off the lights, and get ready for the definitive Jurassic survival horror experience. Pump your shotgun and put those dinos back where they belong... in the ground!
- 7

Shadow Warrior 3: Definitive Edition
Single-player alternative to Zero Symptom — playable solo, no multiplayer required. Shares Action and Adventure with Zero Symptom.
Take an adrenaline-fueled journey through a mythical Japanese realm in the Definitive Edition of Shadow Warrior 3, packed with new features, and enjoy an ultraviolent blend of fast-paced gunplay, razor-sharp melee combat, and spectacular free-running movement.
- 8

Crimson Snow (2023)
Single-player alternative to Zero Symptom — playable solo, no multiplayer required. Shares Action and Indie with Zero Symptom.
Christmas is a joyful time, but this time something dark is hiding behind the holiday decorations. Your actions will determine whether you and your girlfriend survive Christmas night.
- 9

Pukan Bye Bye
Single-player alternative to Zero Symptom — playable solo, no multiplayer required. Shares Action and Indie with Zero Symptom.
Created to enrage.
- 10

Purple Heart
Single-player alternative to Zero Symptom — playable solo, no multiplayer required. Shares Indie and Adventure with Zero Symptom.
Hardcore pixel indie platformer with puzzle elements and history. Can you get to the end?
- 11

Dark Sauce
Single-player alternative to Zero Symptom — playable solo, no multiplayer required. Shares Indie and Adventure with Zero Symptom.
Take gold from the dragon, and not become a barbecue. Colorful cubic platformer about pig and dragon