Single-player games like Out A Space
Below are 8 single-player Steam games similar to Out A Space, 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 Out A Space page.
Ranked picks
- 1
Signal Zero
Single-player alternative to Out A Space — playable solo, no multiplayer required. Shares Action with Out A Space.
A sci-fi roguelike shooter where aim and movement are unified into one mouse. Pilot a Simuler, command your ship, deploy escorts, and tear through colossal bosses. Easy to grasp, ruthless under pressure.
- 2
Robits: Quantum Descent
Single-player alternative to Out A Space — playable solo, no multiplayer required. Shares Action with Out A Space.
Momentum is your greatest advantage. It's also your biggest mistake. A momentum-driven roguelite twin-stick shooter set in a procedurally generated, living quantum arena that never lets you settle in. Stack weapons and mods into a drone built to survive it.
- 3
Prism Drift
Single-player alternative to Out A Space — playable solo, no multiplayer required. Shares Action with Out A Space.
Take control of a lone pilot in a hostile galaxy. In this incremental roguelike, every death is a lesson and every scrap of loot is progress. Battle through relentless waves of enemies, level up your skills, and return to base to turn your scavenged parts into ship upgrades.
- 4
Nocturnal Throne
Single-player alternative to Out A Space — playable solo, no multiplayer required. Shares Action with Out A Space.
Time is difficulty. The longer you play, the harder it gets. Collect 100s of items to secure your build and obliterate anything that crosses your path in Nocturnal Throne. There are no limits in this rogue-lite.
- 5
Meteor Rush
Single-player alternative to Out A Space — playable solo, no multiplayer required. Shares Action with Out A Space.
Meteor Rush is a high-intensity space Bullet Heaven where you defend a fragile core against endless cosmic threats. Harvest meteor gems, loot powerful gear, and evolve your ship and core into an unstoppable force of destruction.
- 6
Void Swarm
Single-player alternative to Out A Space — playable solo, no multiplayer required. Shares Action with Out A Space.
Fight through endless enemy swarms in this fast-paced arcade space shooter with survivor-style progression. Upgrade your ship, unlock powerful fighters, and grow stronger with every run.
- 7
Apocalypse Survivors
Single-player alternative to Out A Space — playable solo, no multiplayer required. Shares Action with Out A Space.
As the savior of the apocalypse, take up your weapons and unleash your powers. Rescue survivors, confront waves of zombies, and through relentless searching, become an immortal warrior. Write your own glorious legend in this plague-ridden hell.
- 8
WATERPUNK
Single-player alternative to Out A Space — playable solo, no multiplayer required. Shares Action with Out A Space.
A roguelite action game set in a post-apocalyptic water world. Shape your strategy by choosing which abilities shine by day and which awaken at night.