IMHO.

Single-player games like Thundering Skies

Below are 10 single-player Steam games similar to Thundering Skies, 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 Thundering Skies page.

Ranked picks

  1. 1
    ASTROXION — Steam game cover

    ASTROXION

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

    Pilot a powerful starfighter through an endless alien invasion. Rescue the Cubes, survive relentless alien waves, and chase the ultimate high score in this fast-paced arcade space shooter.

    ActionIndieSingle-playerSimilar games →
  2. 2
    Pier Pressure — Steam game cover

    Pier Pressure

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

    Take flight in one of three unique ships to battle a legion of enemies and massive bosses across a city sky, through a dark cave, along the bottom of the sea, and into a secret laboratory! Confront a buff, flamboyant crawfish scientist to retrieve the Power Pearl and save your job!

    2020ActionIndie4.99 USDSingle-playerSimilar games →
  3. 3
    Mooncall — Steam game cover

    Mooncall

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

    A retro arcade rescue game. Fly your ship to save stranded foragers from a crater-scarred moon. Compete with your friends on global or private leaderboards! Don't ask about the red mushrooms.

    2026ActionIndie9.99 USDSingle-playerSimilar games →
  4. 4
    Astral Bounty — Steam game cover

    Astral Bounty

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

    Astral Bounty is a demanding 2D arcade side-scroller straight out of the ’90s. Blast through hand-built enemy waves, hunt four bounties, earn credits and blow them on beefy upgrades in the shop. You’re going to need them. 3 difficulty levels, 4 ships, mercy optional.

    2027ActionIndieSingle-playerSimilar games →
  5. 5
    Space Moth: Lunar Edition — Steam game cover

    Space Moth: Lunar Edition

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

    1CC Games’ first shoot ’em up returns with totally overhauled visuals, all-new enemies and attacks, a deeper scoring system, remixed soundtrack and fresh player powers. Space Moth: Lunar Edition is the ultimate version of the beloved cult classic.

    2021ActionIndie7.99 USDSingle-playerSimilar games →
  6. 6
    Space Dogfight: Infinite — Steam game cover

    Space Dogfight: Infinite

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

    No health bars to hide behind. No progression curve to cushion you. Just you and your inertia. In a cold pixel void, pure dogfighting — drift to find that one lethal shot. Luck won't help. Only skill.

    2026ActionIndie3.99 USDSingle-playerSimilar games →
  7. 7
    Space Warpster — Steam game cover

    Space Warpster

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

    A fast-paced retro arcade shooter inspired by classic 1980s side-scrolling space combat. Weave through organic obstacles, survive relentless enemy waves, and defeat powerful end-level bosses in a pure, skill-driven singleplayer experience.

    2026ActionIndie4.24 USDSingle-playerSimilar games →
  8. 8
    Chronos Bound: How We Became Heroes — Steam game cover

    Chronos Bound: How We Became Heroes

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

    Pilot a lone ship through a collapsing orbital station in a modern 2.5D shoot ’em up. Block bullets with a 360° directional shield, destroy grotesque wreck-born enemies, defeat colossal bosses, and build new upgrade paths with every run — a love letter to classic shoot ’em ups.

    2026ActionIndieSingle-playerSimilar games →
  9. 9
    O.C.D. - On Completeness & Dissonance — Steam game cover

    O.C.D. - On Completeness & Dissonance

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

    Fill the empty slots in each pattern by rotating the board to make the loose tiles slide into position, but beware: the painful sight of a misplaced tile will bluescreen your brain.

    2018IndieCasual0.99 USDSingle-playerSimilar games →
  10. 10
    Out Of Memories — Steam game cover

    Out Of Memories

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

    A surreal nightmare by green phosphor and text graphics. But the outdated hardware isn't the only thing that's decaying: devoid of any memories, all you know is a toxin is destroying your body little by little - and it's only one of the things out to kill you. Get ready to die like it's 1981.

    2024IndieAdventure1.99 USDSingle-playerSimilar games →