Games like Doctrine: C.U.L.T.
Games like Doctrine: C.U.L.T. include Beholder, Beholder 2, Papers, Please, Sultan's Game, and Crusader Kings II. We matched them by the tags players give Doctrine: C.U.L.T. on Steam (Cult, Faith, Strategy, Simulation, and Choose Your Own Adventure): closest matches first, and among equally close ones the better-known games.

Beholder
Shared: Strategy · Dystopian · Simulation

Beholder 2
Shared: Strategy · Dystopian · Simulation

Papers, Please
Shared: Simulation · Dystopian · Indie

Sultan's Game
Shared: Strategy · Simulation · Story Rich

Crusader Kings II
Shared: Strategy · Simulation · Political Sim

RimWorld
Shared: Strategy · Simulation · Colony Sim

Beholder Conductor
Shared: Dystopian · Simulation · Political Sim

Victoria 3
Shared: Strategy · Simulation · Political Sim

Beholder 3
Shared: Simulation · Strategy · Dystopian

Age of History II
Shared: Strategy · Simulation · Political Sim

Democracy 4
Shared: Strategy · Simulation · Political Sim

Manor Lords
Shared: Strategy · Simulation · Grand Strategy

The Test
Shared: Simulation · Choose Your Own Adventure · Story Rich

Banished
Shared: Strategy · Simulation · Colony Sim

Politics The Game
Shared: Strategy · Simulation · Political Sim

Death and Taxes
Shared: Simulation · Strategy · Story Rich

Imperator: Rome
Shared: Strategy · Simulation · Political Sim

Against the Storm
Shared: Strategy · Simulation · Colony Sim

Europa Universalis IV
Shared: Strategy · Simulation · Grand Strategy

Honey, I Joined a Cult
Shared: Simulation · Cult · Strategy

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

Crisis in the Kremlin
Shared: Strategy · Simulation · Political Sim

Empires of the Undergrowth
Shared: Strategy · Simulation · Colony Sim

China: Mao's legacy
Shared: Strategy · Simulation · Political Sim