Single-player games like Slimesphere
Below are 10 single-player Steam games similar to Slimesphere, 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 Slimesphere page.
Ranked picks
- 1
Into the Breach
Single-player alternative to Slimesphere — playable solo, no multiplayer required. Shares Strategy and Indie with Slimesphere.
Control powerful mechs from the future to defeat an alien threat. Each attempt to save the world presents a new randomly generated challenge in this turn-based strategy game.
- 2
Mewgenics
Single-player alternative to Slimesphere — playable solo, no multiplayer required. Shares Strategy and Indie with Slimesphere.
Build the ultimate cat army through tactical breeding and send them into deep, challenging turn-based adventures. Draft abilities, collect items, and manipulate genetics across generations in this roguelike tactics game from the creators of The Binding of Isaac and The End is Nigh.
- 3
The Battle of Polytopia
Single-player alternative to Slimesphere — playable solo, no multiplayer required. Shares Strategy and Indie with Slimesphere.
Welcome to the unique, turn-based strategy game set in the strange, flat world of the Square. Lead one of 16 distinct civilizations to victory by expanding your empire, researching technologies, and ultimately become ruler of the world! Play in single-player or multiplayer mode for up to 16 players.
- 4
XCOM® 2
Single-player alternative to Slimesphere — playable solo, no multiplayer required. Shares Strategy with Slimesphere.
XCOM 2 is the sequel to XCOM: Enemy Unknown, the 2012 award-winning strategy game of the year. Earth has changed and is now under alien rule. Facing impossible odds you must rebuild XCOM, and ignite a global resistance to reclaim our world and save humanity.
- 5
The Last Spell
Single-player alternative to Slimesphere — playable solo, no multiplayer required. Shares Strategy and Indie with Slimesphere.
Defend the last bastion of humanity with your squad of heroes! Exterminate fiendish monsters with magic and brute force by night and re-build your battered city defenses by day in this tactical RPG with rogue-lite mechanics.
- 6
Skulls of the Shogun
Single-player alternative to Slimesphere — playable solo, no multiplayer required. Shares Strategy and Indie with Slimesphere.
Enter the Samurai Afterlife and join forces with vibrant ghost-samurai warriors, magical animal monks, and mustachioed samurai generals. It's fast-paced turn-based strategy inspired by Advance Wars, and supercharged with fighting-game flare!
- 7
Rogue Waters
Single-player alternative to Slimesphere — playable solo, no multiplayer required. Shares Strategy with Slimesphere.
Rogue Waters is a Pirate Tactical Turn-Based Rogue-lite. Play as Captain Cutter, commanding your ship and crew through procedurally generated encounters to seek revenge. Recruit, train, and upgrade crew, use powerful sea creatures, and engage in dynamic naval and melee combat to gain the upper hand.
- 8
Slayaway Camp
Single-player alternative to Slimesphere — playable solo, no multiplayer required. Shares Strategy and Indie with Slimesphere.
A killer puzzle game where you control Skullface, a psycho slasher bent on slaughtering camp counselors at the title campground. Slide an adorable voxel murderer around hundreds of isometric puzzle levels to squash, flay, and decapitate hapless victims in this darkly comic homage to 80s horror.
- 9
Vanaris Tactics
Single-player alternative to Slimesphere — playable solo, no multiplayer required. Shares Strategy and Indie with Slimesphere.
Vanaris Tactics is a short narrative tactical RPG experience that tells a story about refugees fleeing their occupied motherland. You lead a group of refugees looking for freedom outside the walls of Vanaris, unite your people and use tactical prowess to escape your oppressors.
- 10
Vanaris Tactics - Prologue
Single-player alternative to Slimesphere — playable solo, no multiplayer required. Shares Strategy and Indie with Slimesphere.
Play the Prologue chapter of Vanaris Tactics. Lead a group of refugees looking for freedom outside the walls of Vanaris, and experience the first three battles and story of Vanaris Tactics.