Games like Oh My Lord
Games like Oh My Lord include Suzerain, Crusader Kings III, The Life and Suffering of Sir Brante, The Life and Suffering of Sir Brante — Chapter 1&2, and 鬼谷八荒 Tale of Immortal. We matched them by the tags players give Oh My Lord on Steam (Choose Your Own Adventure, Political Sim, Colony Sim, Interactive Fiction, and Management): closest matches first, and among equally close ones the better-known games.

Suzerain
Shared: Choose Your Own Adventure · Political Sim · Interactive Fiction

Crusader Kings III
Shared: Medieval · Management · Strategy

The Life and Suffering of Sir Brante
Shared: Choose Your Own Adventure · Interactive Fiction · RPG

The Life and Suffering of Sir Brante — Chapter 1&2
Shared: Choose Your Own Adventure · Interactive Fiction · Medieval

鬼谷八荒 Tale of Immortal
Shared: Management · Choose Your Own Adventure · RPG

Crusader Kings II
Shared: Political Sim · Medieval · Strategy

RimWorld
Shared: Colony Sim · Management · Strategy

Sovereign Tower
Shared: Choose Your Own Adventure · Medieval · Management

China: Mao's legacy
Shared: Political Sim · Management · Choose Your Own Adventure

Oxygen Not Included
Shared: Colony Sim · Management · 2D

The Guild II Renaissance
Shared: Colony Sim · Medieval · Strategy

Banished
Shared: Colony Sim · Strategy · Medieval

Do Not Feed the Monkeys
Shared: Political Sim · Management · Strategy

Politics The Game
Shared: Political Sim · Interactive Fiction · Strategy

Reigns
Shared: Choose Your Own Adventure · Medieval · RPG

Dungeon Settlers
Shared: Colony Sim · Management · Strategy

Prison Architect
Shared: Colony Sim · Management · Strategy

Yes, Your Grace
Shared: Medieval · Management · RPG

Foundation
Shared: Medieval · Management · Strategy

Democracy 4
Shared: Political Sim · Management · Strategy

60 Seconds! Reatomized
Shared: Choose Your Own Adventure · 2D · Strategy

Beholder 3
Shared: Political Sim · Choose Your Own Adventure · Strategy

Lessaria: Fantasy Kingdom Sim
Shared: Colony Sim · Management · Strategy

Kingdoms and Castles
Shared: Colony Sim · Management · Strategy