IMHO.

Single-player games like Moonset Proyect

Below are 8 single-player Steam games similar to Moonset Proyect, 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 Moonset Proyect page.

Ranked picks

  1. 1
    龍Game — Steam game cover

    龍Game

    Single-player alternative to Moonset Proyect — playable solo, no multiplayer required. Shares Action and Indie with Moonset Proyect.

    Under the ravages of the virus, the familiar world has become strange. Disease, hunger, cold, zombies and alien beasts are always threatening your life, and danger is everywhere. Survive in the doomsday, collect resources, make weapons and equipment, and find partners to build your refuge.

    ActionStrategyIndieFreeSingle-playerSimilar games →
  2. 2
    Ghoul's Saloon — Steam game cover

    Ghoul's Saloon

    Single-player alternative to Moonset Proyect — playable solo, no multiplayer required. Shares Action and Indie with Moonset Proyect.

    Dive into the undead apocalypse! By day, run your ghoul saloon and scrap shop: craft eerie dishes and monstrous cocktails from bizarre finds, handle sales, clean up, and keep it running. At night, fortify, set traps, and outsmart rivals with tactics in thrilling optional co-op!

    ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    Left 4 Dead 2 — Steam game cover

    Left 4 Dead 2

    Single-player alternative to Moonset Proyect — playable solo, no multiplayer required. Shares Action with Moonset Proyect.

    Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.

    2009Action9.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Decay Breath VR — Steam game cover

    Decay Breath VR

    Single-player alternative to Moonset Proyect — playable solo, no multiplayer required. Shares Action and Indie with Moonset Proyect.

    In Decay Breath VR you'll experience detailed gun assembly and operation, the exhilaration of using weapons to dismember zombies, and creative combat styles that utilize props to fight zombies. Immersive physical and environmental interactions as well as the ability to team up and play online.

    2027ActionIndieAdventureSingle-playerSimilar games →
  5. 5
    Orbfall Reclaim the Planet — Steam game cover

    Orbfall Reclaim the Planet

    Single-player alternative to Moonset Proyect — playable solo, no multiplayer required. Shares Action and Indie with Moonset Proyect.

    After a devastating alien invasion, the last survivors of humanity struggle to stay alive. While attempting to rebuild civilization, they face overwhelming alien forces that now dominate the Earth. But with the newly developed Orb Technology, humanity has one final chance to reclaim the planet.

    ActionStrategyIndieFreeSingle-playerSimilar games →
  6. 6
    GUNWATCH: Conflict Survival — Steam game cover

    GUNWATCH: Conflict Survival

    Single-player alternative to Moonset Proyect — playable solo, no multiplayer required. Shares Action and Indie with Moonset Proyect.

    1-16 Player COMBAT ZONE & 1-4 Player COOP Zombie Wave Survival in Comic style. Singleplayer and Multiplayer Playthrough. Get ready for GUNWATCH: Conflict Survival!

    2023ActionIndieCasualFreeDeck PlayableSingle-playerSimilar games →
  7. 7
    Contagion — Steam game cover

    Contagion

    Single-player alternative to Moonset Proyect — playable solo, no multiplayer required. Shares Action and Indie with Moonset Proyect.

    Contagion isn't your average Zombie Shooter but instead takes a more realistic and different approach to the popular genre with unique characters, environments, weapons, items, and a built in system that makes every round completely unpredictable with resources, objectives, and paths ever changing.

    2013ActionIndieAdventure3.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    ZIC – Zombies in City — Steam game cover

    ZIC – Zombies in City

    Single-player alternative to Moonset Proyect — playable solo, no multiplayer required. Shares Action and Indie with Moonset Proyect.

    Control a team of 4 characters, switching between them to use their unique abilities. ZIC: Zombies In City is a first person zombie survival shooter.

    2019ActionIndieAdventure4.99 USDSingle-playerSimilar games →