About CastleOn
CastleOn is a single player survival city builder game with warfare, economy, medieval and historical themes. It is being developed by Lord Castleon and will be released in 2026.
Build a castle! Grow economy, recruit troops from Europe and the Holy Land, man the walls and towers! Place traps and defeat attackers with arrows, wood and stone, fire, disease and cold steel! Survive the Third Crusade and conquer enemy lands in this turn-based strategy!











Games Like CastleOn
Looking for games like CastleOn? Here are top survival city builder recommendations with a warfare, economy, medieval and historical focus, selected from player-similarity data — start with Knights of Honor II: Sovereign, Diplomacy is Not an Option or Stronghold Crusader 2.
Frequently Asked Questions
CastleOn is a survival city builder game with warfare, economy, medieval and historical themes. Common tags for CastleOn include turn-based, colony sim, tower defense, war, isometric and others.
CastleOn is available on PC, Windows and Linux.
CastleOn is scheduled to be released in 2026.
CastleOn was developed by Lord Castleon.
CastleOn is a single player game.
Similar games include Knights of Honor II: Sovereign, Diplomacy is Not an Option, Stronghold Crusader 2, Stronghold 2: Steam Edition, Medieval Kingdom Wars and others.











