Single-player games like Solitude
Below are 8 single-player Steam games similar to Solitude, 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 Solitude page.
Ranked picks
- 1

Determinant
Single-player alternative to Solitude — playable solo, no multiplayer required. Shares Action and Adventure with Solitude.
Realistic physics-based open-world survival game set in the future. Survival, crafting, exploration and base building are the main focus. Hunt for food and water and survive against environmental hazards. Combat is possible, but more defensive in nature.
- 2

The Forest
Single-player alternative to Solitude — playable solo, no multiplayer required. Shares Action and Adventure with Solitude.
As the lone survivor of a passenger jet crash, you find yourself in a mysterious forest battling to stay alive against a society of cannibalistic mutants. Build, explore, survive in this terrifying first person survival horror simulator.
- 3

Far Lands
Single-player alternative to Solitude — playable solo, no multiplayer required. Shares Action and Adventure with Solitude.
Far Lands is an open-world survival game. Fight mercenaries, steal their loot and vehicles. Build and defend your base from zombies. Gather resources, craft better gear and loot different points of interest. Want to play with friends? Join them on Co-op!
- 4

MISERY
Single-player alternative to Solitude — playable solo, no multiplayer required. Shares Action and Adventure with Solitude.
MISERY is a 1–5 player co-op survival game set in a nuclear disaster zone. Here, every day is a struggle: search radioactive ruins for resources, build your bunker, craft weapons, and explore a weird, procedurally-generated world with your friends. Beware of anomalies, monsters, and armed bandits.
- 5

Whisper of the Swallows
Single-player alternative to Solitude — playable solo, no multiplayer required. Shares Action and Adventure with Solitude.
Brave a savage, unforgiving procedurally generated world where extreme weather and the nightmares of the dark will hunt you down. Alone or in co-op, survive, build, and explore to turn a cursed hellscape into your sanctuary of light.
- 6

Vortex: The Gateway
Single-player alternative to Solitude — playable solo, no multiplayer required. Shares Action and Adventure with Solitude.
Vortex: The Gateway is an open world survival horror game with two game modes. If you want to survive then be alert, sneak, build and fight. Meanwhile life back on Earth changes dramatically. What changes? You will get bits of information through your adventure. Prepare for the worst!
- 7

Ars Notoria
Single-player alternative to Solitude — playable solo, no multiplayer required. Shares Action and Adventure with Solitude.
Ars Notoria is an open-world survival crafting game set in a rich fantasy world. Learn six distinct schools of magic, gather resources, build your base, expand your influence, and stand against the ever-shifting threat of the Enthralled. You are the one destined to change the kingdom.
- 8

The Highrise
Single-player alternative to Solitude — playable solo, no multiplayer required. Shares Action and Adventure with Solitude.
THE HIGHRISE is a first-person survival game set in a high-rise building that has been sealed off by an alien monster invasion. Gather resources to make fighting weapons and survival tools. You must find and send a rescue signal at the end of your desperate survival.