Single-player games like Unknown Planet
Below are 12 single-player Steam games similar to Unknown Planet, 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 Unknown Planet page.
Ranked picks
- 1

Dinosaur World
Single-player alternative to Unknown Planet — playable solo, no multiplayer required. Shares Indie and Adventure with Unknown Planet.
Dinosaur World is a survival game about dinosaurs.
- 2

Faraway Islands
Single-player alternative to Unknown Planet — playable solo, no multiplayer required. Shares Indie and Adventure with Unknown Planet.
A top-down story-driven survival game, set on unknown islands you must explore in order to find a way home. Your adventure will contain classic mechanics like crafting, acquiring resources, hunting animals, farming, fishing, building shelter, and defending from enemies.
- 3

ICARUS
Single-player alternative to Unknown Planet — playable solo, no multiplayer required. Shares Adventure with Unknown Planet.
ICARUS is a solo or multiplayer PvE survival game. Explore a savage wilderness in the aftermath of terraforming gone wrong. Complete narrative quests as either Open World operations or Individual Missions. Explore, build, craft and hunt while seeking your fortune and prospecting for exotic matter.
- 4

TerraTech Worlds
Single-player alternative to Unknown Planet — playable solo, no multiplayer required. Shares Indie and Adventure with Unknown Planet.
TerraTech Worlds is an open world, build-craft adventure game, set on an uncharted alien world. Play solo or with friends, explore your surroundings, craft unique vehicles, construct automated bases, and battle your way through hazards and enemies to harness the power of your environment
- 5

Eventide Matter
Single-player alternative to Unknown Planet — playable solo, no multiplayer required. Shares Indie with Unknown Planet.
A 2D space mining adventure. Mine exotic resources, unlock powerful equipment, and fend off relentless enemies to build an inter-dimensional portal, the last hope of salvation for your civilization.
- 6

Rising World
Single-player alternative to Unknown Planet — playable solo, no multiplayer required. Shares Indie and Adventure with Unknown Planet.
Rising World is a voxel based open-world sandbox game, featuring a procedurally generated world, playable in single and multi-player.
- 7

Eden Island
Single-player alternative to Unknown Planet — playable solo, no multiplayer required. Shares Indie and Adventure with Unknown Planet.
Eden Island is a beautiful survival game. As a survivor, you will explore and survive on a realistic tropical island, craft weapons against beasts, farm and hunt, build your own home.
- 8

Saleblazers
Single-player alternative to Unknown Planet — playable solo, no multiplayer required. Shares Indie and Adventure with Unknown Planet.
Fight. Sell. Survive. Live off the land, build your perfect shop, and defend against nightly horrors in this open world survival shop simulator for 1-8 players.
- 9

Terraria
Single-player alternative to Unknown Planet — playable solo, no multiplayer required. Shares Indie and Adventure with Unknown Planet.
Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!
- 10

Muck
Single-player alternative to Unknown Planet — playable solo, no multiplayer required. Shares Indie and Adventure with Unknown Planet.
Muck is a survival-roguelike. Collect resources, find items & build a base to survive for as long as you can.
- 11

ARK Park
Single-player alternative to Unknown Planet — playable solo, no multiplayer required. Shares Adventure with Unknown Planet.
In ARK Park, engage in close encounters with primal species through a series of theme park attractions. Enter by yourself or with a group of adventurous friends, and witness dinosaurs roaming in the wild with your own eyes!
- 12

Star Speeder
Single-player alternative to Unknown Planet — playable solo, no multiplayer required. Shares Indie with Unknown Planet.
Star Speeder is an atmospheric minimalist space game about controlling a speeder on a colorful platform. Go after your latest high score, or relax for a while and enjoy the space atmosphere.