Games like Pax Ruthenia
Games like Pax Ruthenia include Plague Inc: Evolved, Papers, Please, Game Dev Tycoon, FTL: Faster Than Light, and Totally Accurate Battle Simulator. We matched them by the tags players give Pax Ruthenia on Steam (Strategy, Indie, Simulation, Singleplayer, and Choose Your Own Adventure): closest matches first, and among equally close ones the better-known games.

Plague Inc: Evolved
Shared: Strategy · Simulation · Indie

Papers, Please
Shared: Indie · Simulation · Singleplayer

Game Dev Tycoon
Shared: Indie · Simulation · Strategy

FTL: Faster Than Light
Shared: Strategy · Indie · Singleplayer

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Singleplayer

Banished
Shared: Strategy · Simulation · Indie

The Escapists
Shared: Strategy · Singleplayer · Simulation

The Test
Shared: Simulation · Choose Your Own Adventure · Multiple Endings

Lobotomy Corporation | Monster Management Simulation
Shared: Simulation · Difficult · Singleplayer

911 Operator
Shared: Strategy · Simulation · Indie

Long Live The Queen
Shared: Simulation · Indie · Strategy

Bomber Crew
Shared: Simulation · Strategy · Singleplayer

Sultan's Game
Shared: Strategy · Singleplayer · Simulation

Democracy 3
Shared: Strategy · Simulation · Indie

Mini Metro
Shared: Strategy · Simulation · Indie

鬼谷八荒 Tale of Immortal
Shared: Simulation · Singleplayer · Choose Your Own Adventure

Mini Motorways
Shared: Strategy · Simulation · Indie

Hero's Adventure: Road to Passion
Shared: Strategy · Multiple Endings · Indie

Predynastic Egypt
Shared: Strategy · Indie · Simulation

Ultimate Custom Night
Shared: Singleplayer · Strategy · Difficult

Beholder
Shared: Strategy · Singleplayer · Simulation

Mount & Blade II: Bannerlord
Shared: Strategy · Singleplayer · Simulation

Hollow Knight: Silksong
Shared: Indie · Difficult · Singleplayer

Two Point Hospital
Shared: Simulation · Strategy · Singleplayer