Single-player games like Spacebase19
Below are 10 single-player Steam games similar to Spacebase19, 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 Spacebase19 page.
Ranked picks
- 1
Alien Wall
Single-player alternative to Spacebase19 — playable solo, no multiplayer required. Shares Action and Indie with Spacebase19.
Alien Wall is a powerful genre mix between a brick breaker and ‘shoot em up’. Modern retro Arcade fun at its best!
- 2
Shmup Arena
Single-player alternative to Spacebase19 — playable solo, no multiplayer required. Shares Action and Indie with Spacebase19.
Take on intense challenges and waves of enemies in this frenetic arena shooter that demands quick reflexes and nonstop action. Survive the onslaught and defeat powerful bosses while staying in motion, mastering arenas designed for those who crave adrenaline and intense combat.
- 3
Opollo
Single-player alternative to Spacebase19 — playable solo, no multiplayer required. Shares Action and Indie with Spacebase19.
Little Minimalist Arcade High Score Chaser with 200+ Vehicle combinations.
- 4
Shooting Blaster Big Bang Boom
Single-player alternative to Spacebase19 — playable solo, no multiplayer required. Shares Action and Indie with Spacebase19.
Are you gonna shoot? YES! Are you gonna blast? YES! Are you gonna make a big bang? YES! Are you gonna make a big boom? YES! So what do you get? Shooting Blaster Big Bang Boom! Come have some fun, it's Good Time time!
- 5
I, AI
Single-player alternative to Spacebase19 — playable solo, no multiplayer required. Shares Action and Indie with Spacebase19.
Classic scrolling shooter with modern graphics. You are self-aware AI. You were created on space military station developing weapons. Now your goal is to break out of the lab and win your freedom.
- 6
Angles of Death
Single-player alternative to Spacebase19 — playable solo, no multiplayer required. Shares Action and Indie with Spacebase19.
"Angles of Death" is an action RPG and roguelike game. It blends the intensity of real-time combat and the unpredictability of roguelike mechanics. The pixel art aesthetic adds a nostalgic yet modern visual appeal, while the atmospheric soundtrack immerses players in a dark and captivating world.
- 7
Martian Invaders
Single-player alternative to Spacebase19 — playable solo, no multiplayer required. Shares Action and Indie with Spacebase19.
WE HAVE ALIENS, YOU DON'T—Blast Martian invaders and flying saucers across 30 stages with robotic voice effects. Use your destructible shield, rescue army men for bonus points, and chase the high score.
- 8
Hummingz - Retro Arcade action revised
Single-player alternative to Spacebase19 — playable solo, no multiplayer required. Shares Action and Indie with Spacebase19.
Up for some retro arcade action spiced with extra bullets and BOSS enemies? Shoot your way through many different levels filled with nasty bugs, spiders, frogs, bees and more. Fight huge BOSS enemies and collect extras and play bonus waves. Retro Arcade action at its best!
- 9
RymdResa
Single-player alternative to Spacebase19 — playable solo, no multiplayer required. Shares Indie and Adventure with Spacebase19.
A relaxed roguelike space odyssey in a procedurally generated universe! Travel through a lonely and mysterious cosmos. Customize your ship, explore and survive!
- 10
imprint-X
Single-player alternative to Spacebase19 — playable solo, no multiplayer required. Shares Indie and Adventure with Spacebase19.
A trippy clicking puzzler! You are one of the hacker clones, saving intellects by hacking into infected brains and defeating the mysterious Wardens.