IMHO.

Single-player games like Ghostboy

Below are 9 single-player Steam games similar to Ghostboy, 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 Ghostboy page.

Ranked picks

  1. 1
    The Riftbreaker — Steam game cover

    The Riftbreaker

    Single-player alternative to Ghostboy — playable solo, no multiplayer required. Shares Strategy and Indie with Ghostboy.

    The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.

    2021ActionStrategyIndie11.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Mars or Die! — Steam game cover

    Mars or Die!

    Single-player alternative to Ghostboy — playable solo, no multiplayer required. Shares Strategy and Indie with Ghostboy.

    Control two characters simultaneously! Survive, gather, collect upgrades, fight all sizes of one-eyed Martians, build defensible outposts and conquer Mars, in this glorious mix between roguelite and tower defense.

    2018ActionStrategyIndie19.99 USDSingle-playerSimilar games →
  3. 3
    Internet Cafe Evolution — Steam game cover

    Internet Cafe Evolution

    Single-player alternative to Ghostboy — playable solo, no multiplayer required. Shares Strategy and Indie with Ghostboy.

    This is a business simulation + construction game. It tells the evolution history of Internet cafes that began in the 1990s, and imagines the future of internet cafes. There are also some small emotional stories.

    2024StrategyIndieSimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Final Outpost: Definitive Edition — Steam game cover

    Final Outpost: Definitive Edition

    Single-player alternative to Ghostboy — playable solo, no multiplayer required. Shares Strategy with Ghostboy.

    Final Outpost is a survival strategy base-builder. You lead the last survivors of the apocalypse. Assign roles, craft tools, and manage resources carefully. Construct buildings, level up your citizens, and fortify your town against hordes of zombies. How many days can you survive?

    2025StrategySimulation9.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    This War of Mine — Steam game cover

    This War of Mine

    Single-player alternative to Ghostboy — playable solo, no multiplayer required. Shares Indie with Ghostboy.

    In This War Of Mine you do not play as an elite soldier, rather a group of civilians trying to survive in a besieged city; struggling with lack of food, medicine and constant danger from snipers and hostile scavengers. The game provides an experience of war seen from an entirely new angle.

    2014IndieAdventureSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    MarZ: Tactical Base Defense — Steam game cover

    MarZ: Tactical Base Defense

    Single-player alternative to Ghostboy — playable solo, no multiplayer required. Shares Strategy and Indie with Ghostboy.

    Build your defense base to fight back the undead hordes of Mars and secure the future of the red planet. MarZ is a game of strategy and tactical defense where you must carefully manage your crew and resources as you try to uncover the terrible secrets of the undead.

    2019StrategyIndie21.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Cliff Empire — Steam game cover

    Cliff Empire

    Single-player alternative to Ghostboy — playable solo, no multiplayer required. Shares Strategy and Indie with Ghostboy.

    After a nuclear war life on the surface became impossible. A 300m thick radioactive fog covered the Earth. We are looking for bold active people to manage the process of restoring life on Earth. Join!

    2019StrategyIndieSimulation17.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Until We Die — Steam game cover

    Until We Die

    Single-player alternative to Ghostboy — playable solo, no multiplayer required. Shares Strategy with Ghostboy.

    Until We Die is a side-scrolling strategy game about defending your base where you have to run around as Ivan, assign tasks to people, and fight mutants in the post-apocalyptic subway!

    2021ActionStrategyAdventure16.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Mind Inc — Steam game cover

    Mind Inc

    Single-player alternative to Ghostboy — playable solo, no multiplayer required. Shares Indie with Ghostboy.

    Mind Inc is a puzzle adventure inside the labyrinth of the mind. Gather scattered pieces of thought and restore forgotten memories.

    2026IndieCasualSingle-playerSimilar games →