Games like NecroCity: Prologue
Games like NecroCity: Prologue include Kingdom Two Crowns, They Are Billions, Frostpunk, Thronefall, and Manor Lords. We matched them by the tags players give NecroCity: Prologue on Steam (Strategy, City Builder, Tower Defense, Building, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Kingdom Two Crowns
Shared: Tower Defense · City Builder · Building

They Are Billions
Shared: Strategy · Base Building · Tower Defense

Frostpunk
Shared: City Builder · Strategy · Building

Thronefall
Shared: Strategy · Tower Defense · City Builder

Manor Lords
Shared: Strategy · City Builder · Base Building

Oxygen Not Included
Shared: Building · Base Building · Singleplayer

RimWorld
Shared: Strategy · Base Building · Singleplayer

Cities: Skylines
Shared: City Builder · Strategy · Building

Against the Storm
Shared: Strategy · City Builder · Building

Banished
Shared: City Builder · Strategy · Indie

Prison Architect
Shared: Building · Strategy · City Builder

Foundation
Shared: City Builder · Strategy · Building

Endzone - A World Apart
Shared: City Builder · Strategy · Indie

Jurassic World Evolution
Shared: Building · Strategy · City Builder

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

Bee Island
Shared: Strategy · Tower Defense · City Builder

Kingdoms and Castles
Shared: City Builder · Strategy · Building

Infection Free Zone
Shared: City Builder · Strategy · Base Building

Ostriv
Shared: Strategy · City Builder · Building

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

ISLANDERS
Shared: City Builder · Strategy · Building

Timberborn
Shared: City Builder · Building · Strategy

Going Medieval
Shared: Strategy · City Builder · Base Building

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