Single-player games like Astronimo
Below are 16 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
Ultra Mega Planet Battles
Single-player alternative to Astronimo — playable solo, no multiplayer required. Shares Adventure with Astronimo.
Ultra Mega Planet Battles is an intense arcade-style, space-based, twin-stick shooter. Players can play by themselves, or with up to 3 friends local co-op or Steam Remote Play (total of 4 players). Select your character, select and modify your ship, then get shooting!
- 2
Override: Mech City Brawl
Single-player alternative to Astronimo — playable solo, no multiplayer required.
No gears, no glory! Control gigantic robots and duke it out in this 3D mech brawler! Epic battles await in local and online Versus mode, 4-player Co-op – where each player controls one part of a mech – and a single-player game mode. Each mech has its own gameplay style, special moves, and finishers.
- 3
N PLUS INFINITY TIMES TWO
Single-player alternative to Astronimo — playable solo, no multiplayer required.
5 fresh flavors of world-class online mayhem, from Friendship-Testing™ Co-op to Friendship-Ending™ Competitive, plus classic singleplayer. Run around with friends, lure enemies into opponents, make the ultimate sacrifice for teammates, and hunt each other with rockets. Couch-ready/Tournament-worthy.
- 4
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.
- 5
ANIQUILATION
Single-player alternative to Astronimo — playable solo, no multiplayer required.
Twin Stick Shooter Multiplayer Action Game set in small planets that can be terraformed as you play! in which not only your shoots, but also the enemies and planet environment are your weapon!
- 6
Pogo Rocket
Single-player alternative to Astronimo — playable solo, no multiplayer required. Shares Adventure with Astronimo.
Pogo sticks and Rockets, how could it go wrong? In this space-themed 2D platformer, you control an experimental rocket ship and must stop aliens from taking the Earth's resources. Play through a variety of levels with dangerous obstacles and save the world!
- 7
Crimson Glaive Sigma
Single-player alternative to Astronimo — playable solo, no multiplayer required. Shares Adventure with Astronimo.
Enjoy this 2D metroidvania-like bullet hell platformer. Jump, dodge and traverse using your jet pack. Find weapons and abilities. Fight bosses and escape an old space station drifting through the cosmos. You are alone, with nothing but a space suit and a gun. Just keep going! Persevere and triumph!
- 8
Spacelines from the Far Out: Flight School
Single-player alternative to Astronimo — playable solo, no multiplayer required. Shares Adventure with Astronimo.
Spacelines from the Far Out: Flight School is all about getting you prepared to take on the task of running your own Spaceline before launch! Join up to 3 other people to take on the challenges and demands as you ferry people to their destination.
- 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
Little Smart Planet
Single-player alternative to Astronimo — playable solo, no multiplayer required.
Studying is fun. Educational games to review Mathematics, English and Language for children from 6 to 12 years old.
- 11
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.
- 12
ISLANDERS
Single-player alternative to Astronimo — playable solo, no multiplayer required.
ISLANDERS is a minimalist strategy game about building cities on colorful islands.
- 13
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.
- 14
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?
- 15
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.
- 16
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.