Games like Deck of Mandate
Games like Deck of Mandate include Crusader Kings III, Crusader Kings II, Game Dev Tycoon, Mini Motorways, and 川建国同志想要连任/Comrade Trump's Re-election. We matched them by the tags players give Deck of Mandate on Steam (Casual, Strategy, RPG, Card Game, and Strategy RPG): closest matches first, and among equally close ones the better-known games.

Crusader Kings III
Shared: Strategy · RPG · Medieval

Crusader Kings II
Shared: Strategy · RPG · Political Sim

Game Dev Tycoon
Shared: Strategy · Casual · Management

Mini Motorways
Shared: Strategy · Casual · Minimalist

川建国同志想要连任/Comrade Trump's Re-election
Shared: Casual · Strategy · RPG

Reigns
Shared: Card Game · RPG · Medieval

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

Balatro
Shared: Card Game · Strategy · Casual

Retirement Simulator
Shared: RPG · Casual · Card Game

Mini Metro
Shared: Strategy · Casual · Minimalist

911 Operator
Shared: Strategy · Casual · Management

Yes, Your Grace
Shared: RPG · Casual · Medieval

Potion Craft: Alchemist Simulator
Shared: Casual · Medieval · 2D

Plebby Quest: The Crusades
Shared: Casual · Strategy · RPG

9 Kings
Shared: Strategy · RPG · Card Game

Nodebuster
Shared: Casual · Strategy · 2D

Choice of Life: Middle Ages
Shared: Card Game · Strategy · Casual

Dragon Cliff
Shared: Strategy · RPG · Casual

Town of Salem
Shared: Strategy · Casual · RPG

Immortal Family
Shared: Strategy · Strategy RPG · Casual

GWENT: The Witcher Card Game
Shared: Strategy · Card Game · RPG

Slay the Spire
Shared: Card Game · Strategy · RPG

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

Matchmaking Inc.
Shared: Casual · RPG · Card Game