Games like Port Royale 2
Games like Port Royale 2 include Port Royale 4, Port Royale 3, Cities: Skylines, Manor Lords, and Railway Empire. We matched them by the tags players give Port Royale 2 on Steam (Strategy, Trading, Pirates, Economy, and Naval): closest matches first, and among equally close ones the better-known games.

Port Royale 4
Shared: Strategy · Trading · Economy

Port Royale 3
Shared: Strategy · Trading · Pirates

Cities: Skylines
Shared: Strategy · City Builder · Economy

Manor Lords
Shared: Strategy · City Builder · Historical

Railway Empire
Shared: Strategy · Economy · Trading

Anno 1800
Shared: Strategy · Economy · City Builder

Sid Meier’s Civilization® VI
Shared: Strategy · Historical · Singleplayer

Workers & Resources: Soviet Republic
Shared: Strategy · City Builder · Historical

Patrician III
Shared: Strategy · Trading · Economy

Europa Universalis V
Shared: Strategy · Trading · Economy

Pharaoh™: A New Era
Shared: City Builder · Economy · Management

Cities: Skylines II
Shared: City Builder · Strategy · Economy

Tropico 6
Shared: Strategy · Economy · City Builder

Transport Fever 2
Shared: Strategy · Economy · Management

Tropico 5
Shared: Strategy · City Builder · Economy

Victoria 3
Shared: Strategy · Economy · Historical

Corsair Cove
Shared: Strategy · City Builder · Historical

Anno 117: Pax Romana
Shared: Strategy · City Builder · Economy

Sid Meier's Pirates!
Shared: Pirates · Naval · Strategy

Rise of Industry
Shared: Strategy · Economy · Management

Anno 2070™
Shared: Strategy · City Builder · Economy

Mad Games Tycoon 2
Shared: Economy · Strategy · Management

Dawn of Man
Shared: Strategy · City Builder · Historical

Against the Storm
Shared: Strategy · City Builder · Management