Single-player games like Astronomics
Below are 12 single-player Steam games similar to Astronomics, 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 Astronomics page.
Ranked picks
- 1
Space Scavenger 2
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Action and Indie with Astronomics.
A fast-paced, top-down action roguelite about building outlandish modular spaceships and discovering broken synergies. Scavenge resources, craft absurd builds, and hone your abilities in a paradoxical time loop.
- 2
重装燎原
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Action and Indie with Astronomics.
没有无聊的教学关卡？直接开干 爽！爆射敌人的快感？爽！双摇杆射击？爽！大量技能卡牌堆叠升级？爽！强大的增援轰炸让你越战越强统统都有！随机生成任务给你，驾驶机甲大炮战车横扫千军！每一次随机的BOSS战斗都是男人的挑战！
- 3
Orbit-X
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Action and Strategy with Astronomics.
Launch a rocket. Extend the Antenna. Set your internet service price and start making money. Oh and shoot down asteroids if they threaten your satellites.
- 4
The Phoenix Initiative
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Action and Indie with Astronomics.
Play as one of the last surviving humans on a post-apocalyptic Earth, where resources are scarce and danger lurks around every corner. As you scavenge for supplies, fend off vicious enemies, and build a small colony, you must use your wits and combat skills to survive in this harsh new world.
- 5
Bumper Blitz TD
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Action and Strategy with Astronomics.
Bumper Blitz TD redefines tower defense with gravity-powered physics and dynamic gameplay. Build, upgrade, and bounce enemies away in this thrilling fusion of strategy and action!
- 6
Your Spaceport!
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Action and Strategy with Astronomics.
Manage your very own space station in this Tycoon game. Sell fuel and repairs to the visitors. Manufacture and research new ways to defend your business and make more money while balancing your relations towards other factions. Survive against all odds.
- 7
Stella Voyager
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Action and Indie with Astronomics.
Open World Space Exploring Trading Shmup RPG. Space sheriff fighting outlaws. King of inter planet trade. Investor who contribute to the development of the planets. The choice Is yours.
- 8
Cosmic Ray
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Action and Indie with Astronomics.
A game about exploring space in search of hospitable planets for colonization. Casual gameplay and short rounds make it a great option for killing a few minutes.
- 9
No Man's Sky
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Action with Astronomics.
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
- 10
Surviving Mars
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Strategy and Simulation with Astronomics.
There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.
- 11
Hardspace: Shipbreaker
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Simulation with Astronomics.
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
- 12
Light Fingers
Single-player alternative to Astronomics — playable solo, no multiplayer required. Shares Indie with Astronomics.
Light Fingers is a magical mechanical board game where thieves compete in a test of skills to prove who among them is the most deft!