IMHO.

Single-player games like The Last Sideran

Below are 8 single-player Steam games similar to The Last Sideran, 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 The Last Sideran page.

Ranked picks

  1. 1
    VectaGuard — Steam game cover

    VectaGuard

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

    Arcade-inspired shmup action where neon vector caverns explode with modern visuals, dynamic music, weapon upgrades and intense score chasing.

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

    Blitloop

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

    A fast-paced, side-scrolling retro shooter where you play as “Blit" on a mission to rescue orb pods. Blast enemy swarms and face off against bosses in this bullet-hell shoot 'em up. Earn power-ups and get ready for fluid arcade action in a stylish world with an 80s synthwave soundtrack.

    2026ActionIndieSingle-playerSimilar games →
  3. 3
    Iron Skies — Steam game cover

    Iron Skies

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

    Retro style, propeller plane centred shoot 'em up inspired by the arcade classics of a fondly remembered bygone era.

    2026ActionIndieSingle-playerSimilar games →
  4. 4
    Five Arcade — Steam game cover

    Five Arcade

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

    Shoot to move through the Five Arcade! A fast-paced twin stick 2D arcade physics platformer celebrating Five decades of gaming. Glide, fly, fall and blast through 60 pixel-perfect stages using a cracking selection of guns; from machine guns and flamethrowers to rocket launchers and high-five guns.

    ActionIndieSingle-playerSimilar games →
  5. 5
    Gravitaws — Steam game cover

    Gravitaws

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

    Gravitaws is a retro-style stage shooter inspired by Jaws (NES). Explore a dynamic overworld map. Collect research materials and upgrades, while evading an Alien invader. The story is delivered in classic style cutscenes. Fight bosses, survive, collect, fish, and bomb your way to victory.

    2026ActionIndieAdventureSingle-playerSimilar games →
  6. 6
    Imminence — Steam game cover

    Imminence

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

    A brutal 16-bit sci-fi shoot-’em-up inspired by the golden age of the Sega Genesis. Fight across multiple worlds, upgrade your ship, and confront the forces behind the Augmentation Program.

    2026ActionIndie9.99 USDSingle-playerSimilar games →
  7. 7
    DoDonPachi Resurrection Reignite — Steam game cover

    DoDonPachi Resurrection Reignite

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

    CAVE's arcade bullet hell shooter returns as DoDonPachi Resurrection Reignite. New stages, a new character, new music, and other new elements set the stage for a new challenge.

    ActionIndieSingle-playerSimilar games →
  8. 8
    Nebula Live: Galactic trials — Steam game cover

    Nebula Live: Galactic trials

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

    Nebula Live is a 2D side-scrolling space shooter set in a galactic TV show where the audience controls the chaos. Fight through 13 levels as viewers vote for unpredictable events, send power-up drops, and influence your chances of survival before unlocking Endless Mode.

    2026ActionIndie13.05 USDSingle-playerSimilar games →