Single-player games like AETHUS
Below are 15 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
Nightwater
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Strategy and Indie with AETHUS.
Forage, craft and automate to grow your factory, unlock new technologies and expand your island to discover new biomes. Progress through the ages from sticks and stones to the Bronze Age, the Industrial Era and into the future to uncover the secret of the Lighthouse and escape this reality.
- 3
Airlock
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Strategy and Indie with AETHUS.
Plan in the ant farm. Live in the 3D city. AIRLOCK is a post-apocalyptic survival base-builder where you rescue Settlers from ruined Ashgate, build a sanctuary deep beneath the toxic surface, and outlast The Altered. The Last of Us meets The Alters.
- 4
Project Tomorrow
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Strategy with AETHUS.
A base-building survival game with terraforming and crafting. Earth lies poisoned and abandoned ten thousand years after invasion. Awaken from stasis, defend your fragile foothold, and restore a dead world so humanity can live here again.
- 5
Heng Rover Mission
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Strategy and Indie with AETHUS.
Build, launch, and survive. Design your own rover and automated robot workforce to conquer the harsh Martian climate, fulfill Mission Control directives, and uncover the secrets of the red planet in Heng Mar Mission.
- 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
Factorio
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Strategy and Indie with AETHUS.
Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.
- 8
Elsewhere
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Indie and Adventure with AETHUS.
A sandbox crafting adventure with quests, magic, automation, and exploration. Gather resources, build your base, unlock new technologies, and shape your own path through a world full of secrets and progression. Inspired by classic Minecraft modpacks with many new and unique features.
- 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?