Games like Flag Collection
Games like Flag Collection include Democracy 4, Game Dev Tycoon, 911 Operator, 鬼谷八荒 Tale of Immortal, and Democracy 3. We matched them by the tags players give Flag Collection on Steam (Indie, Simulation, Education, Diplomacy, and Experimental): closest matches first, and among equally close ones the better-known games.

Democracy 4
Shared: Simulation · Diplomacy · Management

Game Dev Tycoon
Shared: Simulation · Indie · Management

911 Operator
Shared: Simulation · Indie · Management

鬼谷八荒 Tale of Immortal
Shared: Simulation · Management · Indie

Democracy 3
Shared: Simulation · Indie · Political Sim

Nodebuster
Shared: Simulation · Incremental · Experimental

Potion Craft: Alchemist Simulator
Shared: Simulation · Indie · Management

Cookie Clicker
Shared: Indie · Incremental · Management

House Flipper
Shared: Simulation · Education · Indie

Mountain
Shared: Indie · Simulation · Experimental

Steam Engine Simulator
Shared: Simulation · Education · Indie

Graveyard Keeper
Shared: Simulation · Indie · Management

Mini Motorways
Shared: Simulation · Indie · Management

Mini Metro
Shared: Simulation · Indie · Management

PC Building Simulator
Shared: Simulation · Education · Management

Banana
Shared: Incremental · Simulation · 2D

Lobotomy Corporation | Monster Management Simulation
Shared: Simulation · Management · Indie

Papers, Please
Shared: Indie · Simulation · 2D

112 Operator
Shared: Simulation · Management · Education

Russian Life Simulator
Shared: Simulation · Indie · Incremental

Sins of a Solar Empire®: Rebellion
Shared: Diplomacy · Simulation · Management

Automation - The Car Company Tycoon Game
Shared: Simulation · Management · Education

Gas Station Simulator
Shared: Simulation · Management · Education

Tavern Master
Shared: Simulation · Indie · Management