Single-player games like Heartworm
Below are 12 single-player Steam games similar to Heartworm, 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 Heartworm page.
Ranked picks
- 1
Tormented Souls 2
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Action and Adventure with Heartworm.
Caroline Walker returns in the sequel to the award-winning survival horror classic. Explore the decaying remains of the secluded Villa Hess, use improvised weapons to confront terrifying creatures, and bend the fabric of reality to save your sister from a twisted cult.
- 2
Hollowbody
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Indie and Adventure with Heartworm.
A tech-noir survival horror short story, set in the urban decay of a long abandoned British city. Solve environmental puzzles, manage limited resources and fight for a way to escape beyond the wall.
- 3
Unbearable
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Action and Indie with Heartworm.
A story inspired by old school survival horror. Play alone or together on split screen. Delve into dark environments; hide or run; fight melee or with guns; climb and solve puzzles to discover the story of Unbearable.
- 4
Crow Country
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Action and Indie with Heartworm.
The year is 1990. It’s been two years since the mysterious disappearance of Edward Crow and the abrupt closure of his theme park, Crow Country. But your arrival has broken the silence, Mara Forest. If you want answers, you’ll have to venture deep into the darkness of Crow Country to find them…
- 5
Wall Of Insanity 2
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Action and Indie with Heartworm.
Survive a relentless descent into a bio-organic nightmare. As a member of specialized tactical unit, navigate a decaying dimension to locate a vanished squad. Engage in high-stakes combat where every shadow hides an unspeakable horror. The veil is thinning - will you make it out?
- 6
Tormented Souls
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Action and Adventure with Heartworm.
Classic survival horror is back! Inspired by the original Resident Evil and Alone in the Dark series, Tormented Souls modernises with a fresh twist on the fixed perspective adventure - as Caroline Walker investigates the mysterious disappearance of twin girls in a terrifying mansion-turned-hospital.
- 7
Lurking Danger
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Action and Adventure with Heartworm.
Lurking Danger is a survival horror where Elena and Regina, two diner waitresses, uncover a dark secret. Reality twists into a nightmare as they face terrifying creatures. Play solo or in split-screen co-op, solve puzzles, and fight for survival in a haunting atmosphere.
- 8
Backrooms: Echo
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Action and Indie with Heartworm.
A co-op horror for 1–4 players inspired by the Backrooms. Procedurally generated levels, terrifying entities, and a realistic atmosphere powered by Unreal Engine 5. Every playthrough is a unique experience. Try to find the way out, but don’t trust everything you hear and see.
- 9
Resident Evil
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Action and Adventure with Heartworm.
The game that defined the survival-horror genre is back! Check out the remastered HD version of Resident Evil.
- 10
SILENT HILL 2
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Action and Adventure with Heartworm.
Investigating a letter from his late wife, James returns to where they made so many memories - Silent Hill. What he finds is a ghost town, prowled by disturbing monsters and cloaked in deep fog. Confront the monsters, solve puzzles, and search for traces of your wife in this remake of SILENT HILL 2.
- 11
Resident Evil: Operation Raccoon City
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Action with Heartworm.
Experience the Fear: Set in the terrifying world of Resident Evil.
- 12
Parasite
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Indie with Heartworm.
This is a roguelike open-world sandbox survival horror set in a modern city. Play as an --redacted-- parasite, possess human hosts, exploit and evolve them to help you survive in a hostile world, all to find out your one true purpose.