IMHO.

Single-player games like Xenmega

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

Ranked picks

  1. 1
    R-Type Dimensions III — Steam game cover

    R-Type Dimensions III

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

    Building on the legacy of R-Type Dimensions and R-Type Dimensions EX, Dimensions III has been completely re-envisioned with cutting-edge visuals and sounds, expanded gameplay modes, and a range of new features designed to deliver the most definitive modern edition of R-Type’s classic era. 

    2026Action34.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Project Neon — Steam game cover

    Project Neon

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

    Blast through enemy defenses in this intense 16-bit shoot ‘em up (or shmup), dismantling interplanetary shields to bring humanity’s last hope back from Mars and save Earth from ecological collapse.

    2026ActionIndieCasual19.99 USDSingle-playerSimilar games →
  3. 3
    < STRECT > — Steam game cover

    < STRECT >

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

    Control your ship and destroy all the enemies and bases that have appeared through teleportation! < STRECT > is a score-attack vertical shooter for 1 or 2 players. Enjoy simple shoot-and-dodge gameplay, rich destruction effects, and tons of hidden features.

    2027ActionIndieSingle-playerSimilar games →
  4. 4
    Space Elite Force II — Steam game cover

    Space Elite Force II

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

    Space Elite Force II is a frenetic space-shooter with weapon customization and insane bosses battles. Embark in your ship and fight for the survival of the human race!

    2020ActionIndieCasual5.99 USDSingle-playerSimilar games →
  5. 5
    Astro Burn — Steam game cover

    Astro Burn

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

    Dodge everything. Destroy anything. Stack ridiculous firepower and unleash anime style Catnip powered chaos in this fast paced cute-em-up bullet hell. Play as Astro, a space cat with her robot companion on their journey home, battling through absurd enemies, deadly hazards, and unhinged bosses.

    2026ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    WING-IT — Steam game cover

    WING-IT

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

    Adapt or crash! WING-IT is a 2.5D shooter where your arsenal is a slot machine. Shoot down drones to trigger the Toy Box Gacha and swap weapons on the fly. Fight through Medy's house, survive the bullet hell, and defeat the mechanical monstrosities ruling the house.

    2026ActionIndieSingle-playerSimilar games →
  7. 7
    Impulse Reactor — Steam game cover

    Impulse Reactor

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

    A deep roguelite bullet-purgatory set in a dying galaxy. Fight through swarms of alien enemies across brutal environments, build devastating weapon combos, and earn prestige to grow stronger with every run. Solo dev passion project.

    2026ActionIndie1.79 USDSingle-playerSimilar games →
  8. 8
    Celtreos — Steam game cover

    Celtreos

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

    1-2 players, game controller support. NO in-app purchases. Over 45 minutes of music! 13 detailed stages, partly-random, with bosses. Tons of weapons, guards and special moves. Play in a window or in Full Screen.

    2019ActionIndie9.99 USDSingle-playerSimilar games →