Games like Coin and Banner
Games like Coin and Banner include Mount & Blade II: Bannerlord, Kenshi, Crusader Kings III, Mount & Blade: Warband, and Graveyard Keeper. We matched them by the tags players give Coin and Banner on Steam (Strategy RPG, Sandbox, Medieval, Open World, and Real-Time with Pause): closest matches first, and among equally close ones the better-known games.

Mount & Blade II: Bannerlord
Shared: Medieval · Open World · Sandbox

Kenshi
Shared: Sandbox · Open World · Strategy RPG

Crusader Kings III
Shared: Medieval · Management · Sandbox

Mount & Blade: Warband
Shared: Medieval · Open World · Sandbox

Graveyard Keeper
Shared: Sandbox · Management · Pixel Graphics

Wartales
Shared: Open World · Medieval · RPG

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

龙胤立志传
Shared: Strategy RPG · Open World · RPG

The Scroll of Taiwu : Beyond The Dome
Shared: Sandbox · Open World · RPG

Foundation
Shared: Medieval · Sandbox · Management

Pathfinder: Kingmaker - Enhanced Plus Edition
Shared: Party-Based RPG · Strategy RPG · RPG

Stardew Valley
Shared: Sandbox · Pixel Graphics · RPG

Mount & Blade: With Fire & Sword
Shared: Medieval · Open World · RPG

Crusader Kings II
Shared: Medieval · Sandbox · Strategy

Crown and Adventure
Shared: Sandbox · Strategy RPG · Party-Based RPG

Sands of Salzaar
Shared: Open World · Sandbox · RPG

Age of Reforging: The Freelands
Shared: Sandbox · Open World · Medieval

RimWorld
Shared: Sandbox · Management · Strategy

Potion Craft: Alchemist Simulator
Shared: Medieval · Management · Sandbox

Mount & Blade
Shared: Medieval · Open World · Sandbox

The Guild 3
Shared: Medieval · Sandbox · Open World

Yes, Your Grace
Shared: Medieval · Management · RPG

Noita
Shared: Sandbox · Open World · Pixel Graphics

The Witcher 3: Wild Hunt — Remastered
Shared: Open World · RPG · Medieval