IMHO.

Single-player games like Cosmic Call

Below are 13 single-player Steam games similar to Cosmic Call, 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 Cosmic Call page.

Ranked picks

  1. 1
    Evil Heart Fever — Steam game cover

    Evil Heart Fever

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

    This game is an intense bullet hell roguelike shooter, evolve and destroy the celestial army to try to open the hell's gate. Items, references and transformations based in : Lovecraftian universe, biblical sins, and all types of angels and celestial creatures.

    2020ActionCasual1.94 USDSingle-playerSimilar games →
  2. 2
    Dead Estate — Steam game cover

    Dead Estate

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

    Cornered with nowhere else to turn, can you escape the monster-filled mansion? Dead Estate is a gory, fast-paced, challenging roguelike shooter with a heavy emphasis on horror.

    2021ActionIndie14.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Project Warlock — Steam game cover

    Project Warlock

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

    Project Warlock is a first-person shooter that fans of Doom, Hexen, and Wolfenstein cannot miss. It serves you an exploding cocktail of bullets, spells, and monsters. Battle through 60 levels of non-stop action, packed with bloodthirsty enemies and challenging bosses.

    2018ActionIndie12.00 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Immortal Redneck — Steam game cover

    Immortal Redneck

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

    Immortal Redneck is a FPS set in Egypt with rogue-lite elements. Frantic gameplay, twitch controls and an arcade-style feel meet randomly generated dungeons, a complete skill tree, permanent death and 9 classes with different traits.

    2017ActionIndie19.95 USDSingle-playerSimilar games →
  5. 5
    Tower of Guns — Steam game cover

    Tower of Guns

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

    Tower of Guns is a fast paced first-person-shooter for the twitch gamer... with a few randomized elements to keep it fresh with each playthrough. It's a short burst "Lunch Break FPS"... not unlike Binding of Isaac mixed with Doom 2. Tower of Guns was made by a guy named Joe (with his brother Mike composing the music).

    2014ActionIndie14.99 USDSingle-playerSimilar games →
  6. 6
    CRUEL — Steam game cover

    CRUEL

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

    A fast run and gun horror shooter with roguelike elements

    2025ActionIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    ODDCORE — Steam game cover

    ODDCORE

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

    You have only 5 minutes to stylishly explode your way through the hordes of corrupted entities in a retro FPS, roguelike liminal-nightmare... and Timmee is here to help!

    2026ActionIndieEarly Access9.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Hellbound — Steam game cover

    Hellbound

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

    Classic First Person Shooter style game. Like the good old days. An action game focused on speed, gore, guns, and metal music. Inspired by the 90s’ classics with modern visuals and audio!

    2020ActionIndie7.49 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Nuclear Throne — Steam game cover

    Nuclear Throne

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

    Nuclear Throne is a post-apocalyptic roguelike-like top-down shooter. Not 'the final hope of humanity' post-apocalyptic, but 'humanity is extinct and mutants and monsters now roam the world' post-apocalyptic. Can you reach the Nuclear Throne?

    2015ActionIndieRPG11.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    Nightmare Reaper — Steam game cover

    Nightmare Reaper

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

    Blast through a cursed nightmare solo or with up to 3 friends. A retro-inspired FPS where looter shooter weapons meets boomer shooter chaos and rogue-lite elements.

    2022ActionIndie24.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    The Binding of Isaac — Steam game cover

    The Binding of Isaac

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

    Now 20% More Evil with the Free Halloween update!

    2011ActionIndieAdventure1.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    DOOM — Steam game cover

    DOOM

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

    Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.

    2016Action19.99 USDDeck VerifiedSingle-playerSimilar games →
  13. 13
    Wasteland Bites — Steam game cover

    Wasteland Bites

    Single-player alternative to Cosmic Call — playable solo, no multiplayer required. Shares Adventure with Cosmic Call.

    Wasteland Bites is a horror-based food truck sim. Cooking up questionable cuisine in your post-apocalyptic food truck is tough. Fending off mutants, UFOs, rabid dogs, and things lurking in the dark? That's the real challenge. A chaotic mix of cooking and survival in a long gone world.

    2026AdventureSimulation9.99 USDDeck PlayableSingle-playerSimilar games →