Single-player games like Castles
Below are 11 single-player Steam games similar to Castles, 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 Castles page.
Ranked picks
- 1
Stronghold Crusader HD (2012)
Single-player alternative to Castles — playable solo, no multiplayer required. Shares Strategy with Castles.
The highly anticipated sequel to the best-selling Stronghold, Stronghold Crusader HD throws you into historic battles and castle sieges from the Crusades with fiendish AI opponents, new units, 4 historical campaigns and over 100 unique skirmish missions.
- 2
Castles II: Siege & Conquest
Single-player alternative to Castles — playable solo, no multiplayer required. Shares Strategy with Castles.
In this game of medieval diplomacy, treachery & power. To win you must survive. To survive you must scout the surrounding territories, defeat the local militias, subjugate the land with castles, feed the people, forge diplomatic alliances, appease the church and unite the land under your iron fist.
- 3
Stronghold: Warlords
Single-player alternative to Castles — playable solo, no multiplayer required. Shares Strategy with Castles.
Besiege Great Khans, Imperial warlords and Shōgun commanders in Stronghold: Warlords, the latest 'castle sim' from Firefly Studios. Command AI warlords across the battlefield as you build a castle economy and new gunpowder-fuelled siege engines!
- 4
Flooded
Single-player alternative to Castles — playable solo, no multiplayer required. Shares Strategy with Castles.
Flooded is a reversed city-builder, in which you need to optimize your production on an island that shrinks over time. Gather enough resources to flee to safety, while the surrounding world is getting flooded.
- 5
COPA CITY
Single-player alternative to Castles — playable solo, no multiplayer required. Shares Strategy with Castles.
An economic strategy where top football clubs entrust you with organizing their matches. Build in the city, manage its structures and stadium, provide entertainment, food, and security for fans. Your success is measured by Match Readiness.
- 6
Age of Empires II: Definitive Edition
Single-player alternative to Castles — playable solo, no multiplayer required. Shares Strategy with Castles.
42 Civilizations, 229 Campaign Missions, Singleplayer, Co-Op, Multiplayer, In-Game Editor, Mods, Cross-play...It is good to be the king.
- 7
Sumerians
Single-player alternative to Castles — playable solo, no multiplayer required. Shares Strategy with Castles.
Sumerians is a city building game set in ancient Mesopotamia. Attract new citizens and grow by expanding your irrigation system, building walls, palaces, temples and ziggurats. Research new technologies, manage your production, hire workers, and trade.
- 8
Age of Empires® III (2007)
Single-player alternative to Castles — playable solo, no multiplayer required. Shares Strategy with Castles.
Microsoft Studios brings you three epic Age of Empires III games in one monumental collection for the first time.
- 9
Master of Orion 3
Single-player alternative to Castles — playable solo, no multiplayer required. Shares Strategy with Castles.
Experience first-hand the challenges of leading one of 16 different races into unequalled galactic supremacy and face a universe of decisions. Set policies, explore, build, declare war, negotiate - put all these elements into motion to guarantee your place in the annals of space and time.
- 10
Conquest of the New World
Single-player alternative to Castles — playable solo, no multiplayer required. Shares Strategy with Castles.
Discover the uncharted during the Age of Exploration in this strategy game of exploration, combat and colony management.
- 11
Invictus: In the Shadow of Olympus
Single-player alternative to Castles — playable solo, no multiplayer required. Shares Strategy and Adventure with Castles.
Caught in a bitter feud between spiteful gods, you fight for more than your life in this strategy RPG. Enlist Hercules, Achilles, Electra and the mightiest of heroes in your struggle for an eternal seat atop Olympus. Create your own war host from over 30 distinct units.