Games like Idle Castellan
Games like Idle Castellan include Mount & Blade II: Bannerlord, Book of Yog Idle RPG, Dragon Cliff, Mount & Blade: Warband, and The Escapists. We matched them by the tags players give Idle Castellan on Steam (Simulation, Strategy, Adventure, Auto Battler, and Idler): closest matches first, and among equally close ones the better-known games.
Mount & Blade II: Bannerlord
Shared: Strategy · Medieval · RPG
Book of Yog Idle RPG
Shared: Simulation · Auto Battler · Adventure
Dragon Cliff
Shared: Strategy · Idler · RPG
Mount & Blade: Warband
Shared: Strategy · Medieval · RPG
The Escapists
Shared: Strategy · Simulation · 2D
鬼谷八荒 Tale of Immortal
Shared: Simulation · RPG · Singleplayer
Crusader Kings III
Shared: Strategy · Simulation · Medieval
The Scroll of Taiwu : Beyond The Dome
Shared: Strategy · RPG · Simulation
Sultan's Game
Shared: Strategy · Simulation · Adventure
Home Behind 2
Shared: Strategy · Adventure · Simulation
Plebby Quest: The Crusades
Shared: Strategy · Simulation · Adventure
Idle Champions of the Forgotten Realms
Shared: Strategy · Idler · Adventure
Graveyard Keeper
Shared: Simulation · RPG · Adventure
Home Behind
Shared: Adventure · Simulation · Strategy
Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Adventure
Game Dev Tycoon
Shared: Simulation · Strategy · Indie
Path of Idle: Old Gods Rising
Shared: Strategy · Adventure · Idler
Melvor Idle
Shared: Idler · Adventure · RPG
Plague Inc: Evolved
Shared: Simulation · Strategy · Indie
Firestone – Idle Clicker Online RPG
Shared: Auto Battler · Idler · Strategy
Crusader Kings II
Shared: Strategy · Simulation · Medieval
Potion Craft: Alchemist Simulator
Shared: Simulation · Medieval · 2D
Sands of Salzaar
Shared: Strategy · Adventure · RPG
Reigns
Shared: Medieval · Simulation · Adventure