IMHO.

Single-player games like Bit-Boom

Below are 8 single-player Steam games similar to Bit-Boom, 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 Bit-Boom page.

Ranked picks

  1. 1
    CASTILLO: Shattered Mirrors — Steam game cover

    CASTILLO: Shattered Mirrors

    Single-player alternative to Bit-Boom — playable solo, no multiplayer required. Shares Indie and Adventure with Bit-Boom.

    Castillo Shattered Mirrors is a Gothic FPS and Collectathon. Battle legions of the undead in your quest to defeat Dracula with an arsenal of mythical weaponry. Enter dimensional gates through Dracula's castle and decide which worlds to enter, shards to collect, and bosses to defeat.

    2022ActionIndieAdventure9.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Doomed Hell 64: FPS Dungeon Crawler — Steam game cover

    Doomed Hell 64: FPS Dungeon Crawler

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

    Doomed Hell 64 is a retro FPS where you battle through hellish levels filled with monsters and chaos. Battle through endless waves, discover the hidden secrets of hell, and obliterate all living forms!

    2025ActionIndieEarly Access9.99 USDSingle-playerSimilar games →
  3. 3
    Zombie Freaks — Steam game cover

    Zombie Freaks

    Single-player alternative to Bit-Boom — playable solo, no multiplayer required. Shares Indie and Adventure with Bit-Boom.

    Fast paced retro shooting fps action. Explore the dark tunnels of a paramilitary Siberian base. Kill the mutant zombie freaks within. Find the key to the next level of blood soaked insanity. Unleash the brutal killing machine within you. Take no prisoners.

    2021ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  4. 4
    CARNAL — Steam game cover

    CARNAL

    Single-player alternative to Bit-Boom — playable solo, no multiplayer required. Shares Indie and Adventure with Bit-Boom.

    CARNAL is a fast and challenging retro FPS straight from the mid '90s. The Sons of Anak are opening portals to extract Dark Matter from the "other side". Combat the possessed soldiers, the manifested demons helping them, and any inanimate objects standing in your way!

    2021ActionIndieAdventure0.99 USDSingle-playerSimilar games →
  5. 5
    Blood™ Fresh Supply — Steam game cover

    Blood™ Fresh Supply

    Single-player alternative to Bit-Boom — playable solo, no multiplayer required.

    Battle an army of sycophantic cultists, zombies, gargoyles, hellhounds, and an insatiable host of horrors in your quest to defeat the evil Tchernobog. Squirm through 42 loathesome levels filled with more atmosphere than a Lovecraftian mausoleum.

    2019ActionSingle-playerSimilar games →
  6. 6
    DUSK — Steam game cover

    DUSK

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

    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.

    2018ActionIndie19.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Pile 'Em High Episode 3: Convalescence — Steam game cover

    Pile 'Em High Episode 3: Convalescence

    Single-player alternative to Bit-Boom — playable solo, no multiplayer required. Shares Indie and Adventure with Bit-Boom.

    Deep in Colorado’s Rocky Mountains, a secluded estate becomes ground zero for terror. Pile ’Em High 3 throws you into nonstop action‑horror mayhem—cultists, zombies, abominations—all standing between you and the truth behind the world‑shattering Pandemic

    ActionIndieAdventureSingle-playerSimilar games →
  8. 8
    Cyber Utopia — Steam game cover

    Cyber Utopia

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

    Cyber Utopia is a first-person shooter, made in a pastiche, old-school style in the setting of cyber punk. Actions unfold in the distant future, when the technology developed to such an extent that people began to turn into cyborgs.

    2017ActionAdventureCasual0.99 USDSingle-playerSimilar games →