Single-player games like Slimestoppers
Below are 8 single-player Steam games similar to Slimestoppers, 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 Slimestoppers page.
Ranked picks
- 1
Cosmula
Single-player alternative to Slimestoppers — playable solo, no multiplayer required. Shares Action and Indie with Slimestoppers.
Engage in an intense space shooter that you can play in single-player or multiplayer with up to 6 players. Play a variety of different spaceships, each with their own unique stats, components, and playstyles!
- 2
Deadlokk
Single-player alternative to Slimestoppers — playable solo, no multiplayer required. Shares Action and Early Access with Slimestoppers.
Deadlokk is a 1-3 player co-op roguelike. Explore sectors while fighting against other factions to upgrade your ships and carrier. Find rare weapons and upgrades to make the perfect build. Research your items to make blueprints and take them on your future Expeditions!
- 3
Ace Breakout
Single-player alternative to Slimestoppers — playable solo, no multiplayer required. Shares Action and Indie with Slimestoppers.
A top down shooter game fighting against large swarms of insects alone, or recruit friends to fight along side you! Buy and craft new equipment to help you rid the world of the swarm!
- 4
B3
Single-player alternative to Slimestoppers — playable solo, no multiplayer required. Shares Action and Indie with Slimestoppers.
B3 will be a first-person VR shooter where you have to defend your base from waves of attacking monsters.
- 5
Fragment Hunters
Single-player alternative to Slimestoppers — playable solo, no multiplayer required. Shares Action and Indie with Slimestoppers.
Crystal Souls: Fragment Hunters is a top down indie space game where you shoot enemy ships, gather crystals, and upgrade your own ship.
- 6
DarkSwarm
Single-player alternative to Slimestoppers — playable solo, no multiplayer required. Shares Action and Early Access with Slimestoppers.
DarkSwarm is an online co-op, top-down tactical shooter. Play as a team of elite operators in procedurally generated, semi-destructible levels. Use your skills, wits, and teamwork to destroy the alien DarkSwarm in daring operations deep inside the infested colonies.
- 7
ALIEN WAR 2 DOGFIGHT
Single-player alternative to Slimestoppers — playable solo, no multiplayer required. Shares Action and Indie with Slimestoppers.
The best shooting game with various perspectives
- 8
Gunslinger Nova
Single-player alternative to Slimestoppers — playable solo, no multiplayer required. Shares Action with Slimestoppers.
A top-down, 2d space-shooter that pits the user against swarms of alien ships from other dimensions. Destroy all enemies and portals as fast as possible. Battle increasingly tougher enemies through 40 Campaign levels and Endless Mode!