Single-player games like AETHUS
Below are 16 single-player Steam games similar to AETHUS, 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 AETHUS page.
Ranked picks
- 1

Blossom: The Seed of Life
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Indie and Adventure with AETHUS.
Terraform a dead planet back to life in this open world survival crafting game. Explore ruins, gather resources, print machines, drive modular vehicles, grow forests, biomes, and ecosystems. Create life and make it thrive with your own hands.
- 2

Eden Crafters
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Strategy and Indie with AETHUS.
Eden Crafters is a solo or co-op open-world survival, crafting, and factory-building game where you transform a hostile planet into a habitable haven for humanity. Build, automate, and terraform. Control the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!
- 3

Beyond the Map
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Strategy and Indie with AETHUS.
Isometric survival ARPG set in a procedurally generated fantasy world. Build your base, gear up, and venture out, chasing stronger enemies and better loot.
- 4

StarRupture
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Indie and Adventure with AETHUS.
StarRupture is a first-person open world base-building game with advanced combat and tons of exploration. Play alone or in a group on this sublime and ever-changing planet, extract and manage resources, create your complex industrial system and fight off hordes of alien monsters.
- 5

DYSPLACED
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Indie and Adventure with AETHUS.
Grenads are holy relics. Shotguns are spellcraft. In this top-down survival action-RPG, you've been summoned as the Guardian of a fantasy realm leaking modern objects. Scavenge artifacts, forge weapons, build outposts, brew potions, and hunt the corruption devouring the land. Play solo or co-op.
- 6

Satisfactory
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Strategy and Indie with AETHUS.
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
- 7

Core Keeper
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Indie and Adventure with AETHUS.
Explore a vast cavern of creatures, relics and resources in a mining sandbox adventure for 1-8 players. Mine, build, fight, craft and farm to unravel the mystery of the ancient Core.
- 8

Solarpunk™
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Indie and Adventure with AETHUS.
Solarpunk is a survival game in a technically advanced world of floating islands. Alone or together with your friends, you can construct buildings, grow food, craft gadgets and hop on your airship to explore distant islands in the sky.
- 9

No Man's Sky
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Adventure with AETHUS.
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
- 10

The Planet Crafter
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Adventure with AETHUS.
A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.
- 11

Subnautica
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Indie and Adventure with AETHUS.
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
- 12

Subnautica: Below Zero
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Indie and Adventure with AETHUS.
Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica.
- 13

The Last of Us™ Part I
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Adventure with AETHUS.
Discover the award-winning game that inspired the critically acclaimed television show. Guide Joel and Ellie through a post-apocalyptic America, and encounter unforgettable allies and enemies in The Last of Us™.
- 14

RimWorld
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Strategy and Indie with AETHUS.
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
- 15

Stardew Valley
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Indie and Simulation with AETHUS.
You've inherited your grandfather's old farm plot in Stardew Valley. Armed with hand-me-down tools and a few coins, you set out to begin your new life. Can you learn to live off the land and turn these overgrown fields into a thriving home?
- 16

Tidy Up the Town
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Indie and Simulation with AETHUS.
What have you done to the market?! Practising your amateur sorcery in the town square might not have been the best idea… You should really tidy up the market stalls before everyone arrives for a hard day’s work!