Single-player games like Boötes
Below are 10 single-player Steam games similar to Boötes, 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 Boötes page.
Ranked picks
- 1
Closer Than Stars
Single-player alternative to Boötes — playable solo, no multiplayer required. Shares Adventure and Simulation with Boötes.
A first-person psychological sci-fi horror game about two distant radio observatories in the Jovian system. Scan for faint signals, analyze what you find, and stay in contact with the only other person out there.
- 2
Anomaly Operation
Single-player alternative to Boötes — playable solo, no multiplayer required. Shares Simulation with Boötes.
Anomaly Operation is a sci-fi horror observation game. Trapped in the security room, you must monitor a derelict ship via CCTV. Report anomalies and avoid lethal threats. Survive until 03:00 AM.
- 3
OUTER WATCH
Single-player alternative to Boötes — playable solo, no multiplayer required. Shares Simulation with Boötes.
YOU ARE THE ONLY HUMAN ON THE SPACE STATION. YOU DON’T KNOW HOW YOU GOT HERE. KEEP IT ALIVE. TRY TO SURVIVE.
- 4
PlanetMars3D: Spirit Mission
Single-player alternative to Boötes — playable solo, no multiplayer required. Shares Adventure and Simulation with Boötes.
Explore Mars in 3D through real Pancam photographs from NASA's Spirit rover. Glide between images with detail that sharpens as you approach, and skim thousands of rover photos at a glance — manual mode, slideshow, or automated flythrough. Photo credit: JPL / NASA / Cornell / ASU
- 5
Starship Simulator
Single-player alternative to Boötes — playable solo, no multiplayer required. Shares Adventure and Simulation with Boötes.
Explore a scientifically accurate Milky Way galaxy and discover distant uncharted worlds, while having unrestricted access to every deck of your Magellan Class deep space exploration vessel. Interact with numerous fully simulated ship systems, or simply relax in the bar and watch the stars drift by.
- 6
In The Backrooms
Single-player alternative to Boötes — playable solo, no multiplayer required. Shares Adventure and Simulation with Boötes.
"God save you if you hear something wandering around nearby, because it sure as hell has heard you.."
- 7
ПОСЛЕДНИЙ ДЕНЬ В УРЮПИНСКЕ
Single-player alternative to Boötes — playable solo, no multiplayer required. Shares Adventure and Simulation with Boötes.
THE LAST DAY IN URYUPINSK is an atmospheric walk through the post-Soviet courtyard to depressive music.
- 8
The Strange Lights
Single-player alternative to Boötes — playable solo, no multiplayer required. Shares Adventure and Simulation with Boötes.
You have arrived in a forest where people are rumored to disappear and strange things happen... Locals often see bright flashes and hear strange sounds...
- 9
Paresis®
Single-player alternative to Boötes — playable solo, no multiplayer required.
You are paralyzed in a house alone. Lean to find the morphs and use your flame energy to scare them off before they rip you apart. Survive 5 minutes to complete each Phase and burn down the house for good.
- 10
Inner
Single-player alternative to Boötes — playable solo, no multiplayer required.
Nicole who is in a coma, finds herself trapped in a texureless maze world where she is trying to escape the terrors that follow her. Gain upgrades, find cubes, and escape the maze alive.