Games like Subterfuge
Games like Subterfuge include Europa Universalis IV, Sid Meier’s Civilization® VI, Sid Meier's Civilization VII, Europa Universalis V, and Stellaris. We matched them by the tags players give Subterfuge on Steam (Strategy, Diplomacy, Multiplayer, Asynchronous Multiplayer, and Grand Strategy): closest matches first, and among equally close ones the better-known games.

Europa Universalis IV
Shared: Strategy · Grand Strategy · Diplomacy

Sid Meier’s Civilization® VI
Shared: Strategy · Multiplayer · Grand Strategy

Sid Meier's Civilization VII
Shared: Strategy · Grand Strategy · Multiplayer

Europa Universalis V
Shared: Strategy · Grand Strategy · Diplomacy

Stellaris
Shared: Strategy · Grand Strategy · Multiplayer

A Game of Thrones: The Board Game
Shared: Strategy · Diplomacy · Board Game

Age of History 3
Shared: Strategy · Grand Strategy · Diplomacy

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

Sid Meier's Civilization® V
Shared: Strategy · Multiplayer · Grand Strategy

Crusader Kings II
Shared: Strategy · Grand Strategy · Multiplayer

Age of History II
Shared: Strategy · Grand Strategy · Multiplayer

Solium Infernum
Shared: Strategy · Diplomacy · Grand Strategy

Root
Shared: Strategy · Board Game · Multiplayer

Sins of a Solar Empire®: Rebellion
Shared: Diplomacy · Multiplayer · Strategy

ShellShock Live
Shared: Strategy · Multiplayer · 2D

Total War: ROME REMASTERED
Shared: Strategy · Grand Strategy · Diplomacy

ENDLESS Space™ 2
Shared: Strategy · Multiplayer · Grand Strategy

Backpack Battles
Shared: Strategy · Asynchronous Multiplayer · Multiplayer

Total War: WARHAMMER II
Shared: Strategy · Grand Strategy · Multiplayer

HUMANKIND™
Shared: Strategy · Multiplayer · Grand Strategy

Twilight Struggle
Shared: Strategy · Board Game · Asynchronous Multiplayer

Heroes of Might and Magic: Olden Era
Shared: Strategy · Multiplayer · Grand Strategy

Total War: WARHAMMER III
Shared: Strategy · Grand Strategy · Multiplayer

Rebel Inc: Escalation
Shared: Strategy · Grand Strategy · Diplomacy