Single-player games like Closed Space
Below are 8 single-player Steam games similar to Closed 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 Closed Space page.
Ranked picks
- 1
Gunstorm
Single-player alternative to Closed Space — playable solo, no multiplayer required. Shares Action with Closed Space.
Gunstorm is a space shooter loaded with playability. Wave after wave of alien craft attack your agile ship. Use the mouse to control your ship at the speed of thought in a perfectly balanced game that starts easy and gradually gets more difficult.
- 2
Alpha Force Zero
Single-player alternative to Closed Space — playable solo, no multiplayer required. Shares Action and Adventure with Closed Space.
Alpha Force Zero is an intense top-down bullet-hell adventure that requires skill and planning. Utilize multiple weapon systems including an Auto-Turret with adjustable firing modes and unlock upgrades that you can equip in your ship to give you the upper hand. Dodge, fight, survive!
- 3
Space War: Infinity
Single-player alternative to Closed Space — playable solo, no multiplayer required. Shares Action with Closed Space.
Vertical semi-procedural shmup with upgrades, real-time enemy waves, and infinite replayability. Level up your ship, unlock 20+ weapons, defeat 5 bosses, and survive endless bullet-hell combat.
- 4
Red Blue Cell
Single-player alternative to Closed Space — playable solo, no multiplayer required. Shares Action with Closed Space.
This is a retro barrage flying shooting game. Drive a space fighter plane, shuttle between planets and space stations, and use powerful firepower to destroy enemy space battleships! !
- 5
AST-Hero
Single-player alternative to Closed Space — playable solo, no multiplayer required. Shares Action with Closed Space.
Fight for survival in this top-down shoot ‘em up in space, featuring unique hand-drawn visuals and sounds. It offers a challenging experience that is easy to learn, but difficult to master.
- 6
Defying Fate
Single-player alternative to Closed Space — playable solo, no multiplayer required. Shares Action with Closed Space.
A top-down bullet hell space shooter that will test your perseverance. Blast and shoot your way through hordes of asteroids, enemy ships and whatever (and whoever) else you'll run into on your journey! Supports local co-op multiplayer over your local network.
- 7
The Last Bastion: Beyond the Frontier
Single-player alternative to Closed Space — playable solo, no multiplayer required. Shares Action with Closed Space.
A vertical space shooter about a combat pilot who must break through an enemy armada and warn their homeworld. Maneuver through hostile fire, battle commanders and bosses, upgrade your ship, and assemble powerful equipment synergies.
- 8
Hardpoint
Single-player alternative to Closed Space — playable solo, no multiplayer required. Shares Action with Closed Space.
Take control of a platform with four auto-firing guns, and combine upgrades along a shared skill tree to create unique builds as you face increasingly numerous enemies. Attempt to survive 15 waves with your single life by specialize into classes with additional abilities and bonuses.