Single-player games like Aethernaut
Below are 16 single-player Steam games similar to Aethernaut, 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 Aethernaut page.
Ranked picks
- 1
Beta MAX
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Indie and Adventure with Aethernaut.
Use four-dimensional thinking to manipulate time and navigate through this mind bending retro inspired realm. Solve puzzles to help Max find his way home in this atmospheric first-person puzzle platformer.
- 2
Chronautical
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Indie and Adventure with Aethernaut.
In this narrative-driven sci-fi mystery, investigate across space and time to uncover clues and unravel the secrets of a star system that has disappeared, and the man trying to find it.
- 3
Timeworks
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Indie with Aethernaut.
Timeworks is a time-traveling 3D puzzle platformer with a bouncy cartoon style. Work along past versions of yourself to solve puzzles, create unique Items, and fill out your quotas for your mysterious employers.
- 4
The Paribneur Combination
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Indie and Adventure with Aethernaut.
Make your way through the abandoned establishment of Paribneur Co. As you discover the morbid secrets and chilling creatures of the building. Being forced to find a new way out of the building, you will be faced with hard choices, choose carefully, your choices will affect the rest of the game.
- 5
TailQuest Defense
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Indie and Adventure with Aethernaut.
Explore a tiny world, defeat hundreds of enemies, experiment with the environment, find all secrets and enjoy the Adventure with a friend or in single player mode!
- 6
Date Warp
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Indie and Adventure with Aethernaut.
Five days ago, Janet left her dorm to go on a date - and never came back. Was she kidnapped? Murdered? The truth may be even stranger. Solve puzzles to connect together pieces of the story in a science-fiction adventure with eleven possible endings!
- 7
A Wonder
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Indie and Adventure with Aethernaut.
A WONDER is a 3rd person stealth/puzzle game set in a sunken city. Stuck in the depths of the sea, Alana will have to explore this dormant world in order to reactivate it. In doing so, she must remain hidden from lurking creatures, hostile to any outsider who dares to venture in this derelict place.
- 8
Portal 2
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Adventure with Aethernaut.
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
- 9
Portal
Single-player alternative to Aethernaut — playable solo, no multiplayer required.
Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
- 10
The Talos Principle
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Indie and Adventure with Aethernaut.
The Talos Principle is a first-person puzzle game in the tradition of philosophical science fiction. Made by Croteam and written by Tom Jubert (FTL, The Swapper) and Jonas Kyratzes (The Sea Will Claim Everything).
- 11
Lightmatter
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Indie and Adventure with Aethernaut.
A first-person puzzler where shadows kill you. Watch your step or be swallowed by the darkness.
- 12
Tech Support: Error Unknown
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Indie and Adventure with Aethernaut.
Things are not what they seem at your new tech support specialist job. While resolving customer issues, you soon find yourself in the middle of a conspiracy. Will you side with your employer, join a rogue hacktivist group bent on destroying them, assist the police or stand alone?
- 13
Arelite Core
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Indie with Aethernaut.
The age of heroes is passed, yet an ancient evil rises again. Follow the adventures of Karden, a blacksmith on the path to mastering his craft, forced to take a stand against Talameq, an ageless entity bent on devouring the world.
- 14
Astral Traveler
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Indie with Aethernaut.
Blaze your way through 47 challenging tracks as you dodge obstacles at breakneck speeds, shooting down the enemy raiders blocking your path and phasing through pulsars for an extra burst of speed. Your astral core is fading, but the warp gate to the next track is just up ahead, if your skills are tight enough to reach it.
- 15
Wordish
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Indie with Aethernaut.
Wordish takes word games to the next level! Find the proper words in this challenging and customizable puzzle game. Challenge your friends through codes or even with live multiplayer!
- 16
Japanese Store Simulator
Single-player alternative to Aethernaut — playable solo, no multiplayer required. Shares Indie with Aethernaut.
Take Japan by storm with your series of stores, vending machines, arcades and more! Open multiple shops, each customized to your personal specifications and invest in your community.