Single-player games like Space Killer
Below are 10 single-player Steam games similar to Space Killer, 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 Space Killer page.
Ranked picks
- 1
Reality Core
Single-player alternative to Space Killer — playable solo, no multiplayer required. Shares Indie with Space Killer.
Blast through chaotic dungeons and unleash powerful weapons as you journey through the multiverse in search of a way home. Dodge, loot, and survive against deadly foes, extracting hard-won treasures to repair your ship and make it back!
- 2
Halls of Torment
Single-player alternative to Space Killer — playable solo, no multiplayer required. Shares Indie and RPG with Space Killer.
Slay hordes of terrifying monsters in this horde survival roguelite. Descend into the Halls of Torment where the Lords of the underworld await you. Treasures, magical trinkets, and a growing cast of heroes will grant you the power to vanquish these horrors from beyond. How long can you survive?
- 3
Death Must Die
Single-player alternative to Space Killer — playable solo, no multiplayer required. Shares Indie and RPG with Space Killer.
Descend the nether in search of Death himself! Choose from God-given powers to slay his hordes of minions. Unlock new heroes, collect powerful items and create game-breaking synergies in this roguelite hack and slash survivors game.
- 4
Reality Break
Single-player alternative to Space Killer — playable solo, no multiplayer required. Shares Indie and RPG with Space Killer.
Rewrite the universe! Break reality to change your fate, and use your powers to stop sinister forces from altering existence itself. Discover the origin of your new abilities in a fast-paced ARPG Loot Collection Roguelite where you will bend, break, and change the laws of the universe!
- 5
Overture
Single-player alternative to Space Killer — playable solo, no multiplayer required. Shares Indie with Space Killer.
Overture is an action-adventure roguelike which draws heavy inspiration from hits such as Diablo, Realm of The Mad God, Zelda, and The Binding of Isaac. Explore vast randomly generated dungeons and slay hordes of cunning enemies!
- 6
Vampire Survivors
Single-player alternative to Space Killer — playable solo, no multiplayer required. Shares Indie and RPG with Space Killer.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!
- 7
Bioweaver
Single-player alternative to Space Killer — playable solo, no multiplayer required. Shares Indie and RPG with Space Killer.
Bioweaver is an RPG game with the main content of treasure hunting and character building. You can use basic programming logic to deeply customize your skill sets, and you can also create organs with different attributes and functions with the special crafting system.
- 8
Magicraft
Single-player alternative to Space Killer — playable solo, no multiplayer required. Shares Indie and RPG with Space Killer.
"Magicraft" is a Roguelike game that uses a variety of spells to match unimaginable spell effects, and the construction of ultra-high degrees of freedom cannot even be exhausted by developers.
- 9
MAK: Survival
Single-player alternative to Space Killer — playable solo, no multiplayer required. Shares Indie with Space Killer.
Survive and evolve in the open world of Oratius. Build, craft, fight creatures, explore hidden locations, ride mounts, and progress from the stone age to modern tech — alone or with friends. Create worlds, complete quests, and uncover the secrets of Mak Survival.
- 10
Space Pirates and Zombies
Single-player alternative to Space Killer — playable solo, no multiplayer required. Shares Indie and RPG with Space Killer.
Explore a randomly generated Galaxy populated with factions, enemies, missions, and items providing you with a unique experience each time you play.