Single-player games like Astro-g
Below are 8 single-player Steam games similar to Astro-g, 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 Astro-g page.
Ranked picks
- 1

Filament
Single-player alternative to Astro-g — playable solo, no multiplayer required. Shares Strategy and Indie with Astro-g.
Solve challenging cable-based puzzles and uncover what really happened to the crew of The Alabaster. Now with Hint System (for those ultra tricky puzzles).
- 2

Mr Boom's Firework Factory
Single-player alternative to Astro-g — playable solo, no multiplayer required. Shares Indie and Casual with Astro-g.
Move Mr Boom's firework crates from the machines to the exit without destroying them. Beware though, as nothing is quite what it seems in the Firework Factory!
- 3

Space Monkeys
Single-player alternative to Astro-g — playable solo, no multiplayer required. Shares Indie with Astro-g.
Space Monkeys is a solo-developed, fast-paced action game where you must unleash your inner ape to face 12 unique levels in space. Use skill and strategy to dodge lasers, evade enemies, and collect bananas in zero-gravity on your journey to escape a retro-styled evil space station.
- 4

Gizmos: Steampunk Nonograms
Single-player alternative to Astro-g — playable solo, no multiplayer required. Shares Strategy and Indie with Astro-g.
Solve challenging nonograms (also known as picross, griddlers, etc.) to decipher a message from a distant planet!
- 5

Hyper Space
Single-player alternative to Astro-g — playable solo, no multiplayer required. Shares Strategy and Indie with Astro-g.
Hyper Space is a “Dodge ’Em Up” Arcade game. Collect stars while avoiding space hazards to reach the highest score, unlock new skins, compete with your friends and travel through space to the most distant galaxies.
- 6

COCOON
Single-player alternative to Astro-g — playable solo, no multiplayer required. Shares Indie with Astro-g.
From Jeppe Carlsen, the lead gameplay designer of LIMBO and INSIDE — COCOON takes you on an adventure across worlds within worlds. Master world-leaping mechanics and solve intricate puzzles to unravel a cosmic mystery.
- 7

Breakpoint
Single-player alternative to Astro-g — playable solo, no multiplayer required. Shares Indie and Casual with Astro-g.
Breakpoint is a twin-stick slasher where your weapons explode. Break through the swarm to claim your spot on the online leaderboard.
- 8

Bit Blaster XL
Single-player alternative to Astro-g — playable solo, no multiplayer required. Shares Indie and Casual with Astro-g.
Bit Blaster XL is a fast-paced, retro arcade shoot 'em up (shmup) inspired by the classic quarter-munchers of the ‘80s. Easy to pick up, hard to put down, boost, dodge, shoot, and chase high scores in this addictive, old-school action game!