Games like Platform Nation
Games like Platform Nation include Cities: Skylines, Tropico 6, Cities: Skylines II, Anno 1800, and Prison Architect. We matched them by the tags players give Platform Nation on Steam (Strategy, City Builder, RTS, Sandbox, and Political Sim): closest matches first, and among equally close ones the better-known games.

Cities: Skylines
Shared: City Builder · Strategy · Sandbox

Tropico 6
Shared: Strategy · City Builder · Political Sim

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

Anno 1800
Shared: Strategy · City Builder · Sandbox

Prison Architect
Shared: Sandbox · Strategy · City Builder

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

Planet Coaster 2
Shared: Strategy · Sandbox · City Builder

Manor Lords
Shared: Strategy · City Builder · Sandbox

Kingdoms and Castles
Shared: City Builder · Strategy · Sandbox

Jurassic World Evolution
Shared: Strategy · Sandbox · City Builder

Anno 2070™
Shared: Strategy · City Builder · RTS

Foundation
Shared: City Builder · Strategy · Sandbox

Stronghold: Definitive Edition
Shared: Strategy · City Builder · RTS

Tropico 4
Shared: City Builder · Strategy · Sandbox

Jurassic World Evolution 2
Shared: Strategy · Sandbox · City Builder

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

Songs of Syx
Shared: City Builder · Strategy · Sandbox

Against the Storm
Shared: Strategy · City Builder · Building

Banished
Shared: City Builder · Strategy · Sandbox

Transport Fever 2
Shared: Strategy · City Builder · Sandbox

Farthest Frontier
Shared: City Builder · Strategy · Building

Tropico 5
Shared: Strategy · City Builder · Sandbox

Planet Coaster
Shared: Sandbox · Strategy · Building

Planet Zoo
Shared: Sandbox · City Builder · Building