Single-player games like Astrophobia
Below are 9 single-player Steam games similar to Astrophobia, 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 Astrophobia page.
Ranked picks
- 1
SOMA
Single-player alternative to Astrophobia — playable solo, no multiplayer required. Shares Indie and Adventure with Astrophobia.
From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.
- 2
DUSK
Single-player alternative to Astrophobia — playable solo, no multiplayer required. Shares Indie with Astrophobia.
Battle through an onslaught of mystical backwater cultists, possessed militants & even darker forces as you attempt to discover just what lurks beneath the Earth in this retro FPS inspired by the '90s legends.
- 3
The Alien Cube
Single-player alternative to Astrophobia — playable solo, no multiplayer required. Shares Indie and Adventure with Astrophobia.
A cursed legacy awakens something ancient, revealing a terrifying reality never meant for human eyes. Follow your missing uncle’s trail, uncover forbidden secrets, and face a Lovecraftian cosmic horror in this first‑person adventure.
- 4
Narcosis
Single-player alternative to Astrophobia — playable solo, no multiplayer required. Shares Indie and Adventure with Astrophobia.
Survival, horror at the sunless depths of the Pacific Ocean: Stranded on the seafloor with low light and few tools, an industrial diver takes desperate steps to surface before his oxygen — and sanity — give out.
- 5
The Vanishing of Ethan Carter
Single-player alternative to Astrophobia — playable solo, no multiplayer required. Shares Indie and Adventure with Astrophobia.
The Vanishing of Ethan Carter is a first-person story-driven mystery. Purchase this game to get both the original and the Unreal Engine 4 remaster called The Vanishing of Ethan Carter Redux.
- 6
Amnesia: Rebirth
Single-player alternative to Astrophobia — playable solo, no multiplayer required. Shares Indie and Adventure with Astrophobia.
A first-person horror adventure. Uncover your past and survive the Algerian desert. Fear is your enemy; stay calm to not succumb to an illness threatening you and your loved one. Avoid darkness, hide from monsters and solve puzzles. Adventure Mode available for a less scary experience.
- 7
Lamentum
Single-player alternative to Astrophobia — playable solo, no multiplayer required. Shares Indie and Adventure with Astrophobia.
Lamentum is a pixel art survival horror game, set in New England in the mid-nineteenth century.
- 8
Dead of Darkness
Single-player alternative to Astrophobia — playable solo, no multiplayer required. Shares Indie and Adventure with Astrophobia.
Dead of Darkness is a 2D survival-horror action-adventure. Investigate a mysterious island and unravel its disturbing secret. You’ll have to face grotesque creatures, hurdle deadly traps, solve puzzles, and most importantly, survive.
- 9
Poolscape
Single-player alternative to Astrophobia — playable solo, no multiplayer required. Shares Indie and Adventure with Astrophobia.
Explore the Poolrooms as if it were lost media from 1998.