Games like Hexalith
Games like Hexalith include Cities: Skylines, Banished, Tavern Master, Cities: Skylines II, and ISLANDERS. We matched them by the tags players give Hexalith on Steam (City Builder, Sci-fi, Hex Grid, Strategy, and Resource Management): closest matches first, and among equally close ones the better-known games.

Cities: Skylines
Shared: City Builder · Strategy · Building

Banished
Shared: City Builder · Strategy · Indie

Tavern Master
Shared: Resource Management · Strategy · City Builder

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

ISLANDERS
Shared: City Builder · Strategy · Relaxing

Foundation
Shared: City Builder · Strategy · Resource Management

Cliff Empire
Shared: City Builder · Strategy · Sci-fi

Anno 2070™
Shared: City Builder · Strategy · Resource Management

Mini Motorways
Shared: Strategy · Indie · Relaxing

Dyson Sphere Program
Shared: Resource Management · Sci-fi · City Builder

Jurassic World Evolution
Shared: Strategy · City Builder · Building

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

Frostpunk
Shared: City Builder · Strategy · Resource Management

Anno 2205™
Shared: City Builder · Strategy · Sci-fi

Dorfromantik
Shared: City Builder · Relaxing · Strategy

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

Manor Lords
Shared: City Builder · Strategy · Resource Management

Before We Leave
Shared: City Builder · Hex Grid · Resource Management

Farthest Frontier
Shared: City Builder · Strategy · Resource Management

Dystopika
Shared: Sci-fi · City Builder · Cyberpunk

Ostriv
Shared: City Builder · Strategy · Resource Management

Townscaper
Shared: City Builder · Relaxing · Building

Against the Storm
Shared: City Builder · Strategy · Resource Management

Planetbase
Shared: City Builder · Strategy · Sci-fi