Single-player games like Cosmic Guardians
Below are 8 single-player Steam games similar to Cosmic Guardians, 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 Cosmic Guardians page.
Ranked picks
- 1
Devastation - Annihilate the Alien Race
Single-player alternative to Cosmic Guardians — playable solo, no multiplayer required. Shares Action and Indie with Cosmic Guardians.
Devastation - Annihilate the Alien Race, is a 2D, dual stick shoot em' up, bullet hell, arcade game. Tear up hordes of aliens with skill based game play, bombs & upgrades to obliterate everything!. Gun down 11 massive bosses, bank insane score on the leaderboards & overcome clouds of enemy fire.
- 2
Waifu Covered 2: Censored Edition
Single-player alternative to Cosmic Guardians — playable solo, no multiplayer required. Shares Action and Indie with Cosmic Guardians.
Rescue your possible WAIFU from the evil magic. Elaborated yet EASY TO PLAY shmup action game! Remove the curse from the clothes to save the girls from the ageing spell!
- 3
Vortex Attack EX
Single-player alternative to Cosmic Guardians — playable solo, no multiplayer required. Shares Action and Indie with Cosmic Guardians.
Galaxy is in danger with hostile ships swarming from the opening vortex. Blast enemies with huge variety of upgradeable ships. Frantic arcade shooter featuring world leaderboards and fun multiplayer mode will keep you playing until all ships are unlocked; galaxies saved. WARNING:VERY_ADDICTIVE
- 4
Star Legion
Single-player alternative to Cosmic Guardians — playable solo, no multiplayer required. Shares Action and Indie with Cosmic Guardians.
Star Legion is a local co-op top-down shooter where you battle rogue machines in intense missions. Craft gear, survive hostile incursions, and reclaim sectors to spread the glory of the intergalactic Roman Empire.
- 5
Explosionade DX
Single-player alternative to Cosmic Guardians — playable solo, no multiplayer required. Shares Action and Indie with Cosmic Guardians.
Pilot an experimental mech and shoot giant grenades to blow up sneaky aliens. Stomp their guts, destroy their base, and save the day!
- 6
RagingBlasters
Single-player alternative to Cosmic Guardians — playable solo, no multiplayer required. Shares Action and Indie with Cosmic Guardians.
Raging Blasters is a vertical scroll shmup featuring high speed scrolling and the exhilaration of destruction.
- 7
Shoot 1UP DX
Single-player alternative to Cosmic Guardians — playable solo, no multiplayer required. Shares Action and Indie with Cosmic Guardians.
Why play shoot 'em ups one ship at a time? Launch them all at once! Unleash an entire armada of ships in Shoot 1UP!
- 8
G-Darius HD
Single-player alternative to Cosmic Guardians — playable solo, no multiplayer required. Shares Action with Cosmic Guardians.
You will see the creation of new lives... Capture enemies and fire them back at their allies as enormous beams of energy in this horizontally scrolling shooting game, featuring 5 versions of G-Darius with new features, enhancements, and Steam exclusive extras!