IMHO.

Single-player games like Exo-Calibre

Below are 8 single-player Steam games similar to Exo-Calibre, 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 Exo-Calibre page.

Ranked picks

  1. 1
    Blast'N Bounty — Steam game cover

    Blast'N Bounty

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

    Blast’N Bounty is a vertical scrolling shoot’em up featuring 8 stages players can tackle in the order of their choosing. Cruise through a crazy solar system in a mix of pixel art and low poly 3D with action that’s easy to learn but tough to master!

    2026ActionIndie4.99 USDSingle-playerSimilar games →
  2. 2
    Bingus In Space — Steam game cover

    Bingus In Space

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

    Bingus stars in an old-school 2-D schmup influenced by games like Ikaruga or Gradius. A color-change mechanic is used to navigate this bullet-hell style game with multiple levels, a rocking metal soundtrack, and your favorite meme pets.

    2026ActionIndieSingle-playerSimilar games →
  3. 3
    Nova Swarm — Steam game cover

    Nova Swarm

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

    Pick a ship, dive into readable bullet chaos, take down huge angry bosses, grab the bonus core you probably should have left alone, and chase one cleaner run in Nova Swarm.

    2026ActionIndie3.59 USDSingle-playerSimilar games →
  4. 4
    Blasteroids — Steam game cover

    Blasteroids

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

    Blast your way through waves of space debris in order to reach what is waiting for you on the other side. Find your fighting style with multiple unlockable ships in this fast paced space adventure!

    2024ActionStrategyIndie0.99 USDSingle-playerSimilar games →
  5. 5
    Space War: Infinity — Steam game cover

    Space War: Infinity

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

    Vertical semi-procedural shmup with upgrades, real-time enemy waves, and infinite replayability. Level up your ship, unlock 20+ weapons, defeat 5 bosses, and survive endless bullet-hell combat.

    2019ActionIndieCasual2.99 USDSingle-playerSimilar games →
  6. 6
    Shooting Blaster Big Bang Boom — Steam game cover

    Shooting Blaster Big Bang Boom

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

    Are you gonna shoot? YES! Are you gonna blast? YES! Are you gonna make a big bang? YES! Are you gonna make a big boom? YES! So what do you get? Shooting Blaster Big Bang Boom! Come have some fun, it's Good Time time!

    2020ActionIndieCasual4.99 USDSingle-playerSimilar games →
  7. 7
    Akka Arrh — Steam game cover

    Akka Arrh

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

    Akka Arrh is a modern take on a scrapped project from the 1980s, providing players with a fast-paced, addictive, arcade shooter experience and psychedelic visuals. Protect your life rings as you chain together combos and go for a high score!

    2023Action19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Hyperbolic Ignition — Steam game cover

    Hyperbolic Ignition

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

    Hyperbolic Ignition is a 2D multidirectional bullet hell-like shooter about a wandering pilot trying to return home. By utilizing wormholes, enter and evade combat against hostile spaceships, machinery, sentient crystals, and remnants of warfare.

    2018ActionIndieSimulation0.99 USDSingle-playerSimilar games →