Single-player games like Slimecity
Below are 8 single-player Steam games similar to Slimecity, 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 Slimecity page.
Ranked picks
- 1
OrbiTower
Single-player alternative to Slimecity — playable solo, no multiplayer required. Shares Strategy and Indie with Slimecity.
The hungry Gooper swarm threatens intergalactic peace. Stop them! Build towers around planets and take control over their orbits. Spin them with all you’ve attached! Collect new towers, powers and upgrades to beat the onslaught of goopers and save the galaxy in this colorful Tower Defense Roguelite!
- 2
Scallywags
Single-player alternative to Slimecity — playable solo, no multiplayer required. Shares Action and Strategy with Slimecity.
Set sail with a ragtag group of Scallywags in a strategic pirate crew‑management roguelike. Improve your ship, learn fantastical abilities, and hunt down the infamous Aces and their treasures. Every run is a fresh adventure and brings you closer to becoming a true Pirate Legend.
- 3
Raze The Realm
Single-player alternative to Slimecity — playable solo, no multiplayer required. Shares Strategy and Indie with Slimecity.
Lead massive armies in large-scale battles in this real-time tactics roguelite. Build your army, discover powerful relic synergies, and choose your path through a realm that grows more dangerous with every victory.
- 4
Healthy Hero - Tower Defense
Single-player alternative to Slimecity — playable solo, no multiplayer required. Shares Strategy and Indie with Slimecity.
Healthy Hero is a Tower Defense game with roguelike elements, where the player protects a hero from attacking junk food. You need to build and upgrade defensive towers to stop the enemies. The levels become increasingly challenging with new types of junk food and waves
- 5
IAH: INTERNET WAR
Single-player alternative to Slimecity — playable solo, no multiplayer required. Shares Action and Strategy with Slimecity.
"IAH: INTERNET WAR" - a roguelike Turn-Based RTS hybrid survival game. Battle through the internet’s depths and survive as long as possible.
- 6
Aestheta
Single-player alternative to Slimecity — playable solo, no multiplayer required. Shares Strategy and Indie with Slimecity.
A roguelike royalelike about warriors from across space and time, fighting to claim a wish from the Star of Aestheta. Strategize your tactics, enhance your troops, and outwit your opponents to rise to the top!
- 7
The King is Watching
Single-player alternative to Slimecity — playable solo, no multiplayer required. Shares Strategy and Indie with Slimecity.
The King is Watching is a roguelite kingdom builder. Rule by the power of your royal gaze! Decide between producing resources, training armies, or balancing both, while adapting to unique events every run
- 8
Circle Empires 2
Single-player alternative to Slimecity — playable solo, no multiplayer required. Shares Strategy and Indie with Slimecity.
CIRCLE EMPIRES returns! Expand your empire, circle by circle, in this fast-paced follow-up to the hit RTS. Gather resources, build armies, and defeat bosses (or your friends) in a world that changes with every game. With unique units and biomes, it's an addictive battle of wits and tactics.