Single-player games like Lunar Nightmare
Below are 17 single-player Steam games similar to Lunar Nightmare, 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 Lunar Nightmare page.
Ranked picks
- 1
Moons of Madness
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Adventure with Lunar Nightmare.
Moons of Madness is a first-person, story-driven cosmic horror game where the scientific exploration of Mars meets the supernatural dread of Lovecraft.
- 2
ROUTINE
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Action and Adventure with Lunar Nightmare.
ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.
- 3
The Voidness - Lidar Horror Survival Game
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Action and Adventure with Lunar Nightmare.
The Voidness is a SCI-FI psychological horror game where it takes place inside the void where it's filled with just gloom - the only way to see is by scanning the environment with your range finder device, however you are not alone. Don't breathe ... as they are listening.. and watching.
- 4
Inner Chains
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Action and Adventure with Lunar Nightmare.
An FPS horror game set in a surreal, dark and deadly biomechanical world never seen before. Humankind is just a small part of a hostile universe. Want to survive? Discover its secrets.
- 5
Master Reboot
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Action and Adventure with Lunar Nightmare.
Imagine a world where death is no longer final, where precious memories are saved to enjoy forever, where your soul is immortal. Master Reboot is a haunting first-person sci-fi adventure.
- 6
>observer_
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Adventure with Lunar Nightmare.
The original first‑person cyberpunk horror detective tale set in a decaying, neon‑scarred future. As an Observer who invades minds to hunt for clues, you will sift through corrupted memories to track down a mysterious killer and confront your own dark past.
- 7
Slender: The Arrival
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Action and Adventure with Lunar Nightmare.
Slender Man returns more terrifying than ever. You're on your own. No one to help you. No one to hear you scream. Relive the horror all over again with cutting edge visuals for the 10th Anniversary Update and experience survival horror at its finest.
- 8
Daylight
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Action and Adventure with Lunar Nightmare.
You awake, trapped in an abandoned hospital. Your only source of light is your phone. You hit a dead-end and must turn around, but behind you lurks an eerie presence and strange noises... Experience Daylight, a procedurally generated psychological thriller for your PC.
- 9
Starfield
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required.
Starfield is the first new universe in 25 years from Bethesda Game Studios, the award-winning creators of The Elder Scrolls V: Skyrim and Fallout 4.
- 10
Solarix
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Action with Lunar Nightmare.
Solarix is a science-fiction stealth/horror game, set in world that overpowers you with unease, insecurity, and desperation, forcing you to confront your own role in the horrors to come.
- 11
De-Void
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Adventure with Lunar Nightmare.
De-Void is a first-person adventure game, where the player unravels the mysterious circumstances surrounding the disappearance of a remote space colony crew.
- 12
Post War Dreams
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Action with Lunar Nightmare.
POST-WAR DREAMS is a 2.5D Story-Rich, Side Scrolling Action Game, set in the wasteland of USA, plagued with constant war.
- 13
Reframed
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Action with Lunar Nightmare.
ReFramed is a badass, old-school FPS horror game set in the Solarix universe. Relive the terrors of Solarix in this high-octane, bullet spraying reimagining, only this time, stealth is not an option...
- 14
Blind Souls
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Adventure with Lunar Nightmare.
Blind Souls is a first-person adventure game where you can see the world through the eyes of a dead painter.
- 15
Caretaker
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Action with Lunar Nightmare.
Caretaker is a first-person horror experience. You are hungry for truth and maybe this "caretaker" is hungry for something else. Enjoy a ride of psychotic wickedness, through a maze of “criminally insane” mind
- 16
Frightence
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required. Shares Adventure with Lunar Nightmare.
Frightence is a short, intense first-person horror experience.
- 17
Platform Game Maker
Single-player alternative to Lunar Nightmare — playable solo, no multiplayer required.
Platform Game Maker is exciting tool to make your dream Platform Game!