Single-player games like Collapsion
Below are 8 single-player Steam games similar to Collapsion, 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 Collapsion page.
Ranked picks
- 1
Airstrife: Assault of the Aviators
Single-player alternative to Collapsion — playable solo, no multiplayer required. Shares Action and Indie with Collapsion.
Use Aileron Rolling or Evading your enemies' attacks while having a realistic damage system. Use different planes with upgradable parts and numerous weapons you can mount to your planes to destroy your enemies. Fly solo or play with your friends and enjoy local coop. A modern re-invented classic.
- 2
Viral Reload EX
Single-player alternative to Collapsion — playable solo, no multiplayer required. Shares Action and Indie with Collapsion.
Viral Reload EX is a shoot-em-up with a dash mechanic where you shrink down to fight infections at a microscopic scale! Can you defeat the evil Kyle Kaboom before he destroys the moon?
- 3
Asteroid Blasters
Single-player alternative to Collapsion — playable solo, no multiplayer required. Shares Action with Collapsion.
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.
- 4
Destroiders
Single-player alternative to Collapsion — playable solo, no multiplayer required. Shares Action and Indie with Collapsion.
No nonsense, action packed, 2.5D, Asteroids inspired shooter. Scream around speeding rocks narrowly avoiding an untimely death as you obliterate rocks whilst harvesting their valuable resources. See how far you and your friends can get. Best played with mates but also pretty fun on your own.
- 5
Meteor Storm
Single-player alternative to Collapsion — playable solo, no multiplayer required. Shares Action and Indie with Collapsion.
Welcome back to 1996! This shared screen space shooter is the perfect 4-player competitive game for some casual fun!
- 6
Speglar
Single-player alternative to Collapsion — playable solo, no multiplayer required. Shares Action and Indie with Collapsion.
Frantic 4-player laser ricocheting top-down shooter. Keep it casual and enjoy the chaos, or master the surprisingly deep mechanics to obliterate your enemies. Duke it out locally in free-for-all or 2v2.
- 7
Galactoids - Galactic Invaders
Single-player alternative to Collapsion — playable solo, no multiplayer required. Shares Action and Indie with Collapsion.
Battle swarms of Galactic Invaders in this action-packed retro-inspired arcade shoot em up. May the Nerd be with you.
- 8
EARTH SAVER
Single-player alternative to Collapsion — playable solo, no multiplayer required. Shares Action and Indie with Collapsion.
"Earth Saver" is an exhilarating action game in which you blow up and dismantle a giant meteorite approaching the Earth! If you successfully split it, the meteorite will burn up in the atmosphere and the Earth will be safe! Connect and blow it up, split it neatly, and feel the maximum exhilaration!