Single-player games like ASTROSWARM
Below are 9 single-player Steam games similar to ASTROSWARM, 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 ASTROSWARM page.
Ranked picks
- 1

Ash & Adam's GOBSMACKED
Single-player alternative to ASTROSWARM — playable solo, no multiplayer required. Shares Action and Indie with ASTROSWARM.
You are a goblin gladiator in this mini-FPS roguelite. Fight your way through the Arenas. Wreck junkbots. Delight the crowd. Get paid. Cause chaos.
- 2

Bloodshed
Single-player alternative to ASTROSWARM — playable solo, no multiplayer required. Shares Action and Indie with ASTROSWARM.
Bloodshed is a Roguelite Survivors FPS; an exhilarating fusion of Roguelite elements merged with retro-styled visuals and first-person “Survivors-like” frenetic combat action!
- 3

Voidborn
Single-player alternative to ASTROSWARM — playable solo, no multiplayer required. Shares Action and Indie with ASTROSWARM.
Slay demons and demigods in this fast-paced roguelite FPS. Create devastating weapon builds as you journey through massive dark fantasy environments on your quest to avenge god. Challenge the demigods, face inevitable death, and rise stronger with every rebirth.
- 4

Ziggurat 2
Single-player alternative to ASTROSWARM — playable solo, no multiplayer required. Shares Action and Indie with ASTROSWARM.
Ziggurat is back, and now it's even better! Use powerful weapons and spells to break through hordes of enemies and explore labyrinthine dungeons in this hectic roguelite FPS, while you improve your skills and discover new equipment.
- 5

Novi Blaster
Single-player alternative to ASTROSWARM — playable solo, no multiplayer required. Shares Action and Indie with ASTROSWARM.
Bullet Hell or Heaven? A rogue-like where you upgrade yourself and your enemies. Strategize around your build choices and dominate the battlefields of Novi Blaster.
- 6

GRUEL
Single-player alternative to ASTROSWARM — playable solo, no multiplayer required. Shares Action and Indie with ASTROSWARM.
Go on a rampage in this endless arcade Boomer-Shooter! Gain the weirdest weapons and destroy all the monsters in the never-ending temple of GRUEL!
- 7

Soulslinger: Envoy of Death
Single-player alternative to ASTROSWARM — playable solo, no multiplayer required. Shares Action and Indie with ASTROSWARM.
You are a gunslinger in limbo, involved in a gritty war against "The Cartel", a ruthless organization harvesting souls to break free of the shackles of the afterlife. Grow stronger with each new run, gather the essence of lost souls to take on the biggest threats in this rogue-lite FPS!
- 8

Impaler Gold
Single-player alternative to ASTROSWARM — playable solo, no multiplayer required. Shares Action and Indie with ASTROSWARM.
Impaler Gold is a fast-paced minimalistic arena shooter - now expanded and improved. Summon spikes to slay monsters, build barriers, and propel yourself into the air. Challenge yourself in this highly replayable rogue-lite shooter inspired by the classics.
- 9

Vampire Survivors
Single-player alternative to ASTROSWARM — playable solo, no multiplayer required. Shares Action and Indie with ASTROSWARM.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!