Single-player games like System Cleaner
Below are 9 single-player Steam games similar to System Cleaner, 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 System Cleaner page.
Ranked picks
- 1
Fading Reel
Single-player alternative to System Cleaner — playable solo, no multiplayer required. Shares Action and Indie with System Cleaner.
A sepia Roguelike — lead a chained squad through 22 waves. Map events split your line, milestone recruits add firepower. Linked Blink, run upgrades, 19 Evolutions, and a permanent meta tree carry you to the final Boss Hydra.
- 2
Approaching Infinity Survivors
Single-player alternative to System Cleaner — playable solo, no multiplayer required. Shares Action and Indie with System Cleaner.
A Bullet-Heaven roguelike in the Approaching Infinity universe with both spaceship and away team missions. The exit of the galaxy's dominant races left a power vacuum that everyone wants to fill. Survive, pick a side, or kill'em all. No time to think when the horde's advancing.
- 3
Micron Survivor
Single-player alternative to System Cleaner — playable solo, no multiplayer required. Shares Action and Casual with System Cleaner.
Micron Survivor is a survival game with rogue-lite elements where you play as alien microorganisms under the microscope. Evolve, unlock research objectives, find symbiotic weapons, upgrade your builds, and fight hordes of terrestrial organisms to rule the microcosm.
- 4
Together, Against Mork
Single-player alternative to System Cleaner — playable solo, no multiplayer required. Shares Action and Strategy with System Cleaner.
Together, Against Mork is a fast-paced single-player game that combines action-roguelike combat with tower-defense strategy. Slay the hordes, build smart defenses, and protect The Crystal at all costs. With every weapon, every hero, every defense—against Mork.
- 5
Hotspot Earth
Single-player alternative to System Cleaner — playable solo, no multiplayer required. Shares Action and Strategy with System Cleaner.
Environmental hazards are hitting humanity with increasing force - but you're hitting back! Defend cities, build a global movement and change society's path in this tactical horde survival arena.
- 6
Flaghead
Single-player alternative to System Cleaner — playable solo, no multiplayer required. Shares Action and Strategy with System Cleaner.
Flaghead is an arena shooter roguelite where you play as a country, surviving through history from the dark ages into the cybernetic futures and beyond.
- 7
NO LIFE: Zombie Survivor
Single-player alternative to System Cleaner — playable solo, no multiplayer required. Shares Action and Indie with System Cleaner.
NO LIFE: Zombie Survivor is a brutal survival roguelite where you’ll face endless hordes of relentless zombies. Choose your survivor and weapons, each with unique abilities and playstyles, and gear up for increasingly intense battles against the undead.
- 8
WARLANCER - Armored Survivor
Single-player alternative to System Cleaner — playable solo, no multiplayer required. Shares Action with System Cleaner.
WARLANCER - Armored Survivor is a top down survivor shooter where you employ weapons within weapons to decimate hordes of enemies with multiple waves of firepower. Configure your mech with upgrades and randomly generated weapons to survive the relentless tide of alien invaders.
- 9
SpaceLift
Single-player alternative to System Cleaner — playable solo, no multiplayer required. Shares Indie with System Cleaner.
Wake up as an engineer on a failing space elevator in this narrative-driven side-view 3D sci-fi adventure. Explore spacecraft and service decks, repair broken systems, solve light puzzles, and uncover what happened to the missing crew.