Single-player games like Astronimo
Below are 15 single-player Steam games similar to Astronimo, 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 Astronimo page.
Ranked picks
- 1
Space Engineers
Single-player alternative to Astronimo — playable solo, no multiplayer required. Shares Simulation with Astronimo.
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
- 2
Cobalt
Single-player alternative to Astronimo — playable solo, no multiplayer required. Shares Adventure with Astronimo.
Forget everything you’ve learned about combat. Cobalt’s slo-mo mechanic lets you perform moves that other games can’t comprehend. Discover the secrets of a distant colony in a cosmic campaign, take on challenges and rule the leaderboards, or face off against others in local and online multiplayer.
- 3
Bang-On Balls: Chronicles
Single-player alternative to Astronimo — playable solo, no multiplayer required. Shares Adventure with Astronimo.
A quirky, absolutely content-packed, destructible open-world sandbox adventure with combat, platforming, character customization, and collect-a-thon scavenger hunt experience. Play solo, 2-player split screen, or online co-op for up to 4 players. No paid cosmetic DLC nonsense.
- 4
Crazy Machines 3
Single-player alternative to Astronimo — playable solo, no multiplayer required. Shares Simulation with Astronimo.
Crazy Machines 3 is the latest, greatest, most amazing and craziest part of the series and fascinates once more with physic-based puzzles. Build your own crazy machines and share your awesomeness across the world thanks to the Steam® Workshop.
- 5
Contraption Maker
Single-player alternative to Astronimo — playable solo, no multiplayer required. Shares Simulation with Astronimo.
The spiritual successor to The Incredible Machine from its original designer and programmer. Play 100s of puzzles. Build and share elaborate contraptions with an huge variety of parts and critters.
- 6
Biped
Single-player alternative to Astronimo — playable solo, no multiplayer required.
Biped is a coop action adventure game with a strong focus on moment-to-moment collaboration between 2 players.
- 7
Astro Colony
Single-player alternative to Astronimo — playable solo, no multiplayer required. Shares Adventure with Astronimo.
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
- 8
Heavenly Bodies
Single-player alternative to Astronimo — playable solo, no multiplayer required. Shares Adventure and Simulation with Astronimo.
Wrangle the hands and arms of a 1970s space cosmonaut and push, pull and twist your way through an increasingly precarious range of physically simulated stellar scenarios, where without gravity, nothing is still, nothing is secure, and nothing is simple.
- 9
Fantastic Contraption
Single-player alternative to Astronimo — playable solo, no multiplayer required. Shares Simulation with Astronimo.
A surreal building game for VR. Create life-sized contraptions as tall as you can reach, then send them whirling, flinging, and trundling off to solve puzzles on the other side of a floating island. There are no right or wrong solutions, so bring your creativity.
- 10
Kingdom Two Crowns
Single-player alternative to Astronimo — playable solo, no multiplayer required. Shares Adventure and Simulation with Astronimo.
Gather coins, build defenses and reclaim your fallen Kingdom. Explore and uncover secrets, unlock new technologies and protect your crown versus waves of Greed monsters that come at night. Kingdom is a solo or co-op micro-strategy and tower defense game set in an atmospheric pixel world.
- 11
ISLANDERS
Single-player alternative to Astronimo — playable solo, no multiplayer required.
ISLANDERS is a minimalist strategy game about building cities on colorful islands.
- 12
Chip
Single-player alternative to Astronimo — playable solo, no multiplayer required.
Chip is an isometric puzzle game with robots, electricity and fancy dress! The player must help recharge Chip - a plucky little red robot - who has been imprisoned by the nefarious villain, Rust.
- 13
Shu
Single-player alternative to Astronimo — playable solo, no multiplayer required. Shares Adventure with Astronimo.
Shu is a stylish 2.5D platformer set in a beautiful and engrossing world. Guide Shu and a cast of beautifully hand-drawn characters as they run, jump and glide their way across exotic lands, forever pursued by the monstrous and unrelenting Storm. CAN YOU OUTRUN THE END OF THE WORLD?
- 14
ESPER
Single-player alternative to Astronimo — playable solo, no multiplayer required.
As one of a small number of citizens who have been endowed with the power to move objects with their minds, you have been enrolled by the government to undertake a series of tests to show that you are in control of your powers.
- 15
Augmented Empire
Single-player alternative to Astronimo — playable solo, no multiplayer required.
Step into New Savannah, 2058 - a city divided by class and corruption, where your tactical choices spark a cyberpunk revolution. Assemble a team of misfits and lead them through 26 intense missions with deep strategy and immersive storytelling. Every decision shapes your rebellion.