Games like Crowded Blue Dot
Games like Crowded Blue Dot include Prison Architect, Oxygen Not Included, Cities: Skylines, Manor Lords, and Kingdoms and Castles. We matched them by the tags players give Crowded Blue Dot on Steam (City Builder, Simulation, Resource Management, Base Building, and Management): closest matches first, and among equally close ones the better-known games.

Prison Architect
Shared: Simulation · Base Building · City Builder

Oxygen Not Included
Shared: Base Building · Resource Management · Management

Cities: Skylines
Shared: City Builder · Simulation · Management

Manor Lords
Shared: City Builder · Simulation · Base Building

Kingdoms and Castles
Shared: City Builder · Resource Management · Simulation

Frostpunk
Shared: City Builder · Resource Management · Base Building

Against the Storm
Shared: Simulation · City Builder · Base Building

Foundation
Shared: City Builder · Simulation · Resource Management

Cities: Skylines II
Shared: City Builder · Simulation · Management

Banished
Shared: City Builder · Simulation · Indie

Ostriv
Shared: City Builder · Simulation · Management

Dwarf Fortress
Shared: Simulation · Base Building · City Builder

RimWorld
Shared: Base Building · Management · Simulation

Captain of Industry
Shared: Resource Management · Simulation · Base Building

Workers & Resources: Soviet Republic
Shared: City Builder · Simulation · Base Building

Factorio
Shared: Resource Management · Base Building · Management

Empires of the Undergrowth
Shared: Simulation · City Builder · Base Building

Settlement Survival
Shared: City Builder · Simulation · Management

Dyson Sphere Program
Shared: Base Building · Resource Management · Simulation

Norland
Shared: Simulation · City Builder · Base Building

Endzone - A World Apart
Shared: City Builder · Simulation · Base Building

Kingdoms Reborn
Shared: City Builder · Base Building · Management

SimAirport
Shared: City Builder · Management · Base Building

Farthest Frontier
Shared: City Builder · Resource Management · Building