Single-player games like MOON DOOM
Below are 16 single-player Steam games similar to MOON DOOM, 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 MOON DOOM page.
Ranked picks
- 1
QUADREMOR
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Action and Indie with MOON DOOM.
A first-person shooter where you play as one of the last human mercenaries, driven by vengeance for the annihilation of humanity. Dive deep into a dark and unforgiving realm fueled by cruelty.
- 2
Heretic + Hexen
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Action and Adventure with MOON DOOM.
Step into the definitive re-release of two dark spell-casting shooters that shaped the genre. This enhanced restoration makes Heretic™ + Hexen™ available to new audiences and long-time fans with expanded accessibility across more platforms and languages than ever before.
- 3
REVEREND
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Action with MOON DOOM.
A retro first-person shooter inspired by Blood, Duke Nukem 3D, and Rise of the Triad. REVEREND is a dark, twisted tale with religious undertones, terrifying creature designs and one hell of a personality.
- 4
Blood II: The Chosen + Expansion
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Action and Adventure with MOON DOOM.
Includes original Blood II: The Chosen and add-on package The Nightmare LevelsAn immersive atmosphere full of dark humor and exciting actionFour playable characters and wide variety of weapons
- 5
Hexen: Beyond Heretic
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Action with MOON DOOM.
While the Sidhe elf Corvus battled the evil forces of D'Sparil, the remaining Serpent Riders were busy corrupting other dimensions. As a Warrior, Mage, or Cleric, you must defend your realm of Cronos from the second Serpent Rider known as Korax.
- 6
Serious Sam: Siberian Mayhem
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Action and Adventure with MOON DOOM.
Serious Sam: Siberian Mayhem is a new stand-alone expansion to the world of the classic FPS series. Join the fight against Notorious Mental on a journey through the wild lands of Russia, and find your way through this lost chapter of Sam Stone's adventures.
- 7
DUSK
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Action and Indie with MOON DOOM.
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.
- 8
Warhammer 40,000: Boltgun
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Action and Indie with MOON DOOM.
Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.
- 9
Belladonna
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Indie and Adventure with MOON DOOM.
Belladonna is a gothic adventure game, twisted and dark. Take the role of a corpse girl rising from the dead in an abandoned laboratory, and unravel the mysteries concerning your own death and reanimation.
- 10
Yono and the Celestial Elephants
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Indie and Adventure with MOON DOOM.
Yono and the Celestial Elephant is a grand adventure, featuring carefully designed puzzles, treasure hunts, a sprinkling combat and a world full of people.
- 11
Molly Medusa: Queen of Spit
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Adventure with MOON DOOM.
A gravity-bending 3D adventure where everyone turns to stone!
- 12
Alruna and the Necro-Industrialists
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Indie and Adventure with MOON DOOM.
Alruna is a compact and high-density Metroidvania, with a focus on sequence-breaking and playing things out of order.
- 13
October Panic
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Action and Indie with MOON DOOM.
An arcade-style platformer with five levels and no saving/loading. A small trick-or-treat bag packed to the brim with both treats and tricks.
- 14
Alruna: End of History
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Action and Indie with MOON DOOM.
Alruna; now in wide-screen! A different kind of Metroidvania, a tour-de-force of game design, with world-class temples and dungeons. Dead men yearn for Heaven, but Elysium remains out of their grasp.
- 15
Let's Freeze Some Penguins
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Indie with MOON DOOM.
Walnut the Walrus sets out to save his friends, and all of Northern Bear, from the dreaded Emperor Penguin. Luckily, his chilly Walrus Wind is ice cold. Now let’s freeze some penguins!
- 16
Alruna: No Man's Land
Single-player alternative to MOON DOOM — playable solo, no multiplayer required. Shares Action and Indie with MOON DOOM.
Give Alruna a gun! A compact, high-density Metroidvania, more non-linear than ever. Create your own path with mutually exclusive upgrades. Living men have no place in this war to end all wars. It is a no man's land.