IMHO.

Single-player games like Doom Keeper

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

Ranked picks

  1. 1
    Art Attack — Steam game cover

    Art Attack

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

    Art Attack is an action roguelike with a unique paint based combat system, and a distaste for GenAI.

    ActionIndieRPGSingle-playerSimilar games →
  2. 2
    Micron Survivor — Steam game cover

    Micron Survivor

    Single-player alternative to Doom Keeper — playable solo, no multiplayer required. Shares Action and RPG with Doom Keeper.

    Micron Survivor is a survival game with rogue-lite elements where you play as alien microorganisms under the microscope. Evolve, unlock research objectives, find symbiotic weapons, upgrade your builds, and fight hordes of terrestrial organisms to rule the microcosm.

    ActionRPGCasualSingle-playerSimilar games →
  3. 3
    Rogue Shapes — Steam game cover

    Rogue Shapes

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

    Rogue Shapes is a fast-paced roguelike bullet hell where you battle waves of deadly shapes, level up, and choose powerful upgrades. Complete challenges to unlock new playable shapes, each with unique weapons. How long can you survive the chaos?

    2025ActionIndieCasual1.99 USDSingle-playerSimilar games →
  4. 4
    Odium — Steam game cover

    Odium

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

    Odium is a fast paced Action Roguelike where you follow Chris's life as a bullied child, in a subtle and parodic interpretation of his subconscious release of anger and frustration from his life inside his dreams.

    2022ActionIndieFreeSingle-playerSimilar games →
  5. 5
    Shattered Sun — Steam game cover

    Shattered Sun

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

    Shattered Sun is a fast-paced action roguelike where you pilot a powerful mech across a doomed solar system, fighting hostile factions on dangerous planets to escape the clutches of a dying star.

    2026ActionStrategyIndieSingle-playerSimilar games →
  6. 6
    Madlum — Steam game cover

    Madlum

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

    Madlum is a Bullet Hell Shmup with Roguelike elements with a dark hand-drawn style. Navigate through a shifting labyrinth, gather powerful upgrades to combat the ever increasing difficulty, annihilate your rivals and escape Madlum's Vault.

    ActionIndieSingle-playerSimilar games →
  7. 7
    God, Save the Queens! — Steam game cover

    God, Save the Queens!

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

    You are God. The king’s five daughters have been taken. Fight thousands of enemies, unlock powerful skills, and crush the evil wizard Zaharad in this brutal 2.5D roguelike!

    2026ActionIndieRPGSingle-playerSimilar games →
  8. 8
    Nullbreak Protocol — Steam game cover

    Nullbreak Protocol

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

    A sci-fi arcade roguelite of fast, escalating runs. Launch your core, shatter every block, survive what the room fires back. Draw stacking protocols to build your run, push deeper into the system, and beat your record — the descent never ends.

    2026ActionIndieCasualSingle-playerSimilar games →
  9. 9
    Voidsayer — Steam game cover

    Voidsayer

    Single-player alternative to Doom Keeper — playable solo, no multiplayer required. Shares Indie and RPG with Doom Keeper.

    The world has fallen into darkness, cursed by the Abyss. You are one of the many hapless survivors at risk of being consumed. Unlike others, you have a chance to fight back. Voidsayer is a dark monster tamer jRPG. Assemble your monster team, take on eldritch horrors, and return hope to the world.

    2025StrategyIndieRPG14.99 USDDeck PlayableSingle-playerSimilar games →