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
Cult Trials: Incarnation
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Action and Indie with Heartworm.
As Amelia, you awaken inside a sci-fi cult world poisoned by secrets. With no ammo and nothing but holy water, you face horrors shaped by a divine power gone corrupt. Survive the growing darkness, escape the faithful who hunt you, and uncover a truth that twists everything you thought was real.
- 4
Into The Garden
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Action and Indie with Heartworm.
Awaken as a stitched cat doll in an eerie manor trapped in a supernatural limbo where time flows backward. Hunted by a blind toymaker, you must use mirror portals, enter painted pocket worlds, and transfer your soul between abandoned toys to survive.
- 5
Ravenhill: Initiation
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Adventure with Heartworm.
After a bitter argument with Hannah, Ethan vanishes while auditing files in quarantined Ravenhill Valley. When police refuse to enter the restricted zone, Hannah ventures into the fog-drenched woods to find her boyfriend. What she uncovers is an ancient threat and an ever-shifting nightmare reality.
- 6
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.
- 7
In the Belly of the Night
Single-player alternative to Heartworm — playable solo, no multiplayer required. Shares Indie and Adventure with Heartworm.
Alone and pregnant in rural Türkiye, Freya explores a town lost to time and haunted by an ancient myth. Search, solve, and survive encounters with things better left buried, in a cinematic, fixed-camera survival horror about fear and resilience.
- 8
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…
- 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 Action and Indie with Heartworm.
Parasite is a non-linear retro platformer with a mix of action and puzzles. The player controls an alien worm wanting to get rid of a human space colony on his planet. There are multiple shapes to unlock and to switch between to facilitate the navigation and sabotage the complex.