Games like The Vagabond Emperor
Games like The Vagabond Emperor include Crusader Kings III, Mount & Blade II: Bannerlord, Crusader Kings II, Mount & Blade: Warband, and Wartales. We matched them by the tags players give The Vagabond Emperor on Steam (Strategy, Medieval, RPG, Sandbox, and Simulation): closest matches first, and among equally close ones the better-known games.

Crusader Kings III
Shared: Strategy · Medieval · RPG

Mount & Blade II: Bannerlord
Shared: Strategy · Medieval · RPG

Crusader Kings II
Shared: Strategy · Medieval · Grand Strategy

Mount & Blade: Warband
Shared: Medieval · RPG · Strategy

Wartales
Shared: RPG · Medieval · Open World

Mount & Blade: With Fire & Sword
Shared: RPG · Medieval · Strategy

Europa Universalis IV
Shared: Strategy · Simulation · Grand Strategy

Battle Brothers
Shared: Strategy · RPG · Turn-Based Combat

Manor Lords
Shared: Strategy · Simulation · Grand Strategy

Kenshi
Shared: Sandbox · RPG · Open World

Hearts of Iron IV
Shared: Strategy · Grand Strategy · Simulation

Stellaris
Shared: Strategy · Sandbox · Grand Strategy

Mount & Blade
Shared: Medieval · RPG · Strategy

Age of Wonders 4
Shared: Strategy · RPG · Turn-Based Combat

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Sandbox · Strategy

The Guild 3
Shared: Medieval · Strategy · Simulation

鬼谷八荒 Tale of Immortal
Shared: Simulation · Sandbox · RPG

Heroes of Might and Magic: Olden Era
Shared: Strategy · RPG · Simulation

Knights of Honor II: Sovereign
Shared: Strategy · Medieval · Simulation

Imperator: Rome
Shared: Strategy · Simulation · Grand Strategy

觅长生
Shared: RPG · Strategy · Open World

Foundation
Shared: Medieval · Strategy · Simulation

Sands of Salzaar
Shared: Strategy · RPG · Open World

Cities: Skylines
Shared: Strategy · Simulation · Sandbox