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.
Explore a ruined city, rescue survivors, and build a thriving underground sanctuary. Every survivor unlocks new professions, technologies, and opportunities as you rebuild humanity beneath the surface while surviving the horrors above.
- 4
FluxWerks
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Strategy and Indie with AETHUS.
Every block of this planet is real, including fluids! Dig it, flood it, process it. FluxWerks is a factory automation game on a fully destructible voxel world with physical fluid and heat simulation. Dig anywhere, automate everything, and survey a world that was supposed to be empty.
- 5
ReckFall
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Strategy and Indie with AETHUS.
Stranded on an alien earth-like planet after a failed mission, you’ll need to gather resources, build shelter, and fight to stay alive. Explore strange biomes, uncover hidden secrets, and decide whether to rebuild or escape before the planet claims you.
- 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
Corsair Cove
Single-player alternative to AETHUS — playable solo, no multiplayer required. Shares Strategy and Simulation with AETHUS.
Build a sprawling pirate haven, raise a fleet to explore the high seas, and take on the Crown to keep the Age of Piracy alive! From ale to flintlock pistols, and from scallywags to swashbucklers, you’ll need to manage complex production chains and govern a rowdy crew to reign supreme over the seas!
- 8
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.
- 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?