Single-player games like Kingdom Isles
Below are 8 single-player Steam games similar to Kingdom Isles, 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 Kingdom Isles page.
Ranked picks
- 1
VIEWPORT: The A.R.K. Protocol
Single-player alternative to Kingdom Isles — playable solo, no multiplayer required. Shares Strategy and Simulation with Kingdom Isles.
Roguelike Space simulator with a dark-humor. Keep the ship running, the crew alive-ish, and the existential dread manageable.
- 2
Three Kingdoms Club Manager
Single-player alternative to Kingdom Isles — playable solo, no multiplayer required. Shares Strategy and Simulation with Kingdom Isles.
This is a tactical roguelike with grid battles. Recruit heroes, collect gear and passives to build teams. The roguelike mode has Slay the Spire-style maps, 6 classes with unique difficulties. Shop pulls items and rare upgrades. League mode offers 18 factions with football-style ranks.
- 3
Queen,Don't be afraid
Single-player alternative to Kingdom Isles — playable solo, no multiplayer required. Shares Strategy and Simulation with Kingdom Isles.
In this game, you play as the Queen of the Insectoid race, instead of being a righteous messenger. Your objective is to create intricate mazes underground in the city to resist the human soldiers who come to vanquish you!
- 4
Scarecropia
Single-player alternative to Kingdom Isles — playable solo, no multiplayer required. Shares Strategy and Simulation with Kingdom Isles.
Here is Scarecropia! Lead at most 400 people to build a settlement. Arm your village to fight against the Goblin army, or invest limited resources in yourself to become unparalleled! Take every cost to survive!
- 5
Seven Wonders
Single-player alternative to Kingdom Isles — playable solo, no multiplayer required. Shares Strategy and Simulation with Kingdom Isles.
Seven Wonders is an ancient city-building game. It brings you back to ancient times, where you have to build the seven wonders of the ancient world. You have to manage resources and labor to build the wonders.
- 6
Stronghold: Definitive Edition
Single-player alternative to Kingdom Isles — playable solo, no multiplayer required. Shares Strategy and Simulation with Kingdom Isles.
Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.
- 7
Stronghold HD (2012)
Single-player alternative to Kingdom Isles — playable solo, no multiplayer required. Shares Strategy and Simulation with Kingdom Isles.
The original castle sim, Stronghold HD allows you to design, build and destroy historical castles. Engage in medieval warfare against the AI in one of two single player campaigns or online with up to 8 players.
- 8
Sengoku Voxel Castle With Zundamon
Single-player alternative to Kingdom Isles — playable solo, no multiplayer required. Shares Strategy and Simulation with Kingdom Isles.
Build castles on voxel terrain based on real Japanese geographic data, and defeat over 1,000 samurai and ninja enemies. Shape the terrain freely using blocks. The game features over 100 technologies and buildings inspired by medieval Japanese history.