IMHO.

Single-player games like Cosmolon

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

Ranked picks

  1. 1
    Red Blue Cell — Steam game cover

    Red Blue Cell

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

    This is a retro barrage flying shooting game. Drive a space fighter plane, shuttle between planets and space stations, and use powerful firepower to destroy enemy space battleships! !

    2025Action3.99 USDSingle-playerSimilar games →
  2. 2
    Throst — Steam game cover

    Throst

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

    Throst is a 2D-retro-arcade-action adventure about precision flying under constant gravity. Dive through tight tunnels, outmaneuver and destroy defenses. Grab the enemy’s energy orbs, and blast your way back to orbit before you’re crushed or shot down.

    2026ActionIndie2.99 USDSingle-playerSimilar games →
  3. 3
    Galactic Patrol — Steam game cover

    Galactic Patrol

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

    A lost 1998 arcade-style shooter returns! Fight through 25 levels and 300+ waves of alien attacks inspired by classic shoot-'em-ups like Space Invaders and Galaga, featuring top-down, side-scrolling, and rear-view gameplay.

    2026Action0.59 USDSingle-playerSimilar games →
  4. 4
    AWA 2024 — Steam game cover

    AWA 2024

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

    AWA 2024 is a fast paced shoot-em-up featuring modern military aircraft. Choose one of the ten fighter aircraft and take the battle to the skies throughout nine action-packed stages each with their own special end-level boss.

    2023ActionIndie4.99 USDSingle-playerSimilar games →
  5. 5
    Astrokicker — Steam game cover

    Astrokicker

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

    Mixing old and new, Astrokicker is inspired by classic shootemups going back to the 80s, with a few twists. The player gets to fly in any direction, and using a combination of skill and strategy, takes out the starbases controlling warpfields.

    2021ActionIndieEarly Access4.99 USDSingle-playerSimilar games →
  6. 6
    Space Dogfight: Infinite — Steam game cover

    Space Dogfight: Infinite

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

    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
    Asteroid Blasters — Steam game cover

    Asteroid Blasters

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

    Asteroid Blasters is a non-stop action space shooter. Inspired by Asteroids, this game will see you choose between 6 different ships each with their own characteristics and utilize a variety of weapon powerups to eradicate your enemies. Play 2 players to increase your chance of survival.

    2021Action1.39 USDSingle-playerSimilar games →
  8. 8
    Space Adventure — Steam game cover

    Space Adventure

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

    Space adventure is a classic Shoot 'Em Up style game with a fast pace and a test of your reflexes. Maneuver, collect bonuses and score points to become the best!

    2022ActionIndieAdventure0.99 USDSingle-playerSimilar games →