IMHO.

Single-player games like Gunborg: Dark Matters

Below are 8 single-player Steam games similar to Gunborg: Dark Matters, 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 Gunborg: Dark Matters page.

Ranked picks

  1. 1
    Rust & Dust — Steam game cover

    Rust & Dust

    Single-player alternative to Gunborg: Dark Matters — playable solo, no multiplayer required. Shares Action and Indie with Gunborg: Dark Matters.

    Rust & Dust is A fast-paced 2D roguelike Shooter about two twin mice fighting through a ruined world. Instantly switch between them, combine their powers, and turn positioning into a weapon. Master the chaos or be overrun!

    2026ActionIndieSingle-playerSimilar games →
  2. 2
    Pengame — Steam game cover

    Pengame

    Single-player alternative to Gunborg: Dark Matters — playable solo, no multiplayer required. Shares Action and Indie with Gunborg: Dark Matters.

    Play as the stickman you drew in your school notebook to defeat the ultimate evil: the TEACHER!

    ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    Warhammer 40,000: Shootas, Blood & Teef — Steam game cover

    Warhammer 40,000: Shootas, Blood & Teef

    Single-player alternative to Gunborg: Dark Matters — playable solo, no multiplayer required. Shares Action with Gunborg: Dark Matters.

    From the developers of the Guns, Gore and Cannoli franchise comes a new 2D run & gun platformer: Warhammer 40,000: Shootas, Blood & TEEF! Spearhead an Ork invasion, destroy the hive city and kill your warboss! ‘Ere we go!

    2022ActionAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Rogue Stormers — Steam game cover

    Rogue Stormers

    Single-player alternative to Gunborg: Dark Matters — playable solo, no multiplayer required. Shares Action and Indie with Gunborg: Dark Matters.

    An action packed platform shooter mashed-up with roguelike and RPG elements, crazy 3D graphics and co-op multiplayer for one to 4 players.

    2016ActionIndie19.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Boom Blaster — Steam game cover

    Boom Blaster

    Single-player alternative to Gunborg: Dark Matters — playable solo, no multiplayer required. Shares Action and Indie with Gunborg: Dark Matters.

    Boom Blaster is a hand-drawn, side-scrolling shoot'em up with intense boss fights! Blast your way through each level with a range of weapons and unique hero abilities in this exciting and challenging action game.

    2020ActionIndieAdventure3.99 USDSingle-playerSimilar games →
  6. 6
    Rise & Shine — Steam game cover

    Rise & Shine

    Single-player alternative to Gunborg: Dark Matters — playable solo, no multiplayer required. Shares Action and Indie with Gunborg: Dark Matters.

    Welcome to Gamearth, a once peaceful planet now threatened by the warmongering Space grunts of Nexgen. In the aftermath of their devastating first strike a child named Rise is forced to take on the sacred gun Shine - and with it the fate of his world.

    2017ActionIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Stardust Galaxy Warriors: Stellar Climax — Steam game cover

    Stardust Galaxy Warriors: Stellar Climax

    Single-player alternative to Gunborg: Dark Matters — playable solo, no multiplayer required. Shares Action and Indie with Gunborg: Dark Matters.

    Stardust Galaxy Warriors: Stellar Climax is a fast-paced couch co-op action shooter with SHMUP/Brawler gameplay and RPG elements. Choose your mechs, weapons & upgrades then soar through space, defeat evil & save the future... from itself!

    2015ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Waves — Steam game cover

    Waves

    Single-player alternative to Gunborg: Dark Matters — playable solo, no multiplayer required. Shares Action and Indie with Gunborg: Dark Matters.

    Waves is an Arcade Twin-Stick Shooter that's all about High Scores. Build your combo and drop bombs in pursuit of Leaderboard dominance over seven game-modes!

    2011ActionIndieFreeDeck VerifiedSingle-playerSimilar games →