Single-player games like Collapsed Horizon
Below are 9 single-player Steam games similar to Collapsed Horizon, 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 Collapsed Horizon page.
Ranked picks
- 1
Eureka
Single-player alternative to Collapsed Horizon — playable solo, no multiplayer required.
Eureka is an open-world business management simulator. From gold mining to wheat farming, choose your products, manage your resources, and grow your business however you see fit!
- 2
waxweaver
Single-player alternative to Collapsed Horizon — playable solo, no multiplayer required. Shares Adventure with Collapsed Horizon.
A short sandbox rpg game that takes place on a square planet. Explore the world, gather resources, build a home and become stronger.
- 3
Asteroid Rodeo
Single-player alternative to Collapsed Horizon — playable solo, no multiplayer required.
Asteroids are worth trillions. They're also spinning at 200 meters per second. You are a Wrangler—harpoon tumbling rocks, wrestle them to a dead stop with your custom-built ship, and mine them for credits. The pay is good. The survival rate is a conversation people avoid.
- 4
Cobalt Miner
Single-player alternative to Collapsed Horizon — playable solo, no multiplayer required. Shares Adventure with Collapsed Horizon.
Survive in futuristic 2046 USA where a ruthless megacorporation owns your debt. Mine cobalt, automate production, craft machines, explore a dying world, and ride your electric bike across vast pixel-art wastelands. Pay what you owe… or disappear.
- 5
A Game About Cutting A Tree
Single-player alternative to Collapsed Horizon — playable solo, no multiplayer required. Shares Adventure with Collapsed Horizon.
A minimalist game about reclaiming an overgrown forest Chop down trees, gather Wood, sell it, upgrade your axe, and uncover secrets hidden beneath the roots.
- 6
Moon Rocks and Slimes
Single-player alternative to Collapsed Horizon — playable solo, no multiplayer required. Shares Adventure with Collapsed Horizon.
A sci-fi, base-building adventure where you build a 'ship' on an asteroid; explore space, battle slimes, raiders, space rhinos, and more. A story that includes following orders from a mysterious AI, shooting fish with a space grappling hook, invading space stations, fixing the exploded moon, etc.
- 7
Galactic Mining Corp
Single-player alternative to Collapsed Horizon — playable solo, no multiplayer required. Shares Adventure with Collapsed Horizon.
Galactic Mining Corp is a unique rogue-lite, action game with crafting and base building mechanics. Head into uncharted space and discover a universe of locations to exploit for riches! Use your profits to expand your HQ, hire a crazy work force, obtain new drill components and upgrade everything.
- 8
X3: Terran Conflict
Single-player alternative to Collapsed Horizon — playable solo, no multiplayer required.
It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!
- 9
Diorama Maker
Single-player alternative to Collapsed Horizon — playable solo, no multiplayer required.
Diorama Maker is an easy to use sandbox toy that lets you build dioramas in VR (and later on desktop). Choose from thousands of objects and create your own world.