Single-player games like Quantum Void
Below are 8 single-player Steam games similar to Quantum Void, 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 Quantum Void page.
Ranked picks
- 1
Remnant Protocol
Single-player alternative to Quantum Void — playable solo, no multiplayer required. Shares Action and Indie with Quantum Void.
The assassination of the Blessed Mother has plunged the galaxy in darkness. Usurpers rule with absolute authority, and blood flows in rivers of red across the stars. Only the Protocol can restore Her light.
- 2
Tungsten Moon
Single-player alternative to Quantum Void — playable solo, no multiplayer required. Shares Indie with Quantum Void.
Tungsten Moon is a first-person, immersive spaceflight simulator set on a fictional moon, somewhere in the universe. Stay alive by exploring over 1 million square kilometers of open-world terrain, while at the controls of your personal SkyDart spacecraft.
- 3
Nomad Station
Single-player alternative to Quantum Void — playable solo, no multiplayer required. Shares Action and Indie with Quantum Void.
Become a master MI6 saboteur, and earn your name as the ministry's most important asset on the Moon in this 1st-person shooter VR sci-fi epic! Follow the orders of your handler, or explore and find new weapons and defenses! Do whatever it takes to complete your mission!
- 4
Absolute Territory
Single-player alternative to Quantum Void — playable solo, no multiplayer required. Shares Action and Indie with Quantum Void.
Fly futuristic starfighters with intense dogfights against slow warships and nimble enemy fighters. Choose your ship, customize loadouts with various guns and missiles. Use first-person cockpit or third person. Use power settings across engines, shields, and engines to gain the advantage in combat.
- 5
When the Stars Threw Down Their Spears
Single-player alternative to Quantum Void — playable solo, no multiplayer required. Shares Action and Indie with Quantum Void.
When the Stars Threw Down Their Spears is a story-rich, retro space shooter inspired by DOS-era space games. Blast your way through fast-paced arcade combat, build out modular, upgradable ships, and explore a galaxy torn by war.
- 6
Expedition Astra
Single-player alternative to Quantum Void — playable solo, no multiplayer required. Shares Action and Indie with Quantum Void.
Old machines guard silent asteroid sites across the outer solar system. Pilot a 6DoF spacecraft, fight around the rock, dock with old vessels, and touch the asteroid to extract rare materials.
- 7
Starpath
Single-player alternative to Quantum Void — playable solo, no multiplayer required. Shares Action and Indie with Quantum Void.
Build your starship alone or with friends and explore a seamless universe. Plot a course, burn your thrusters, and chill out in your retro tech ship while you play games and drift through the dangerous vacuum of space. Approach orbit around distant worlds to discover whether we are truly alone.
- 8
PULSAR: Lost Colony
Single-player alternative to Quantum Void — playable solo, no multiplayer required. Shares Action and Indie with Quantum Void.
The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits