Games like Hexters
Games like Hexters include Banished, Cities: Skylines, Totally Accurate Battle Simulator, Feed and Grow: Fish, and Mount & Blade II: Bannerlord. We matched them by the tags players give Hexters on Steam (City Builder, Strategy, Indie, Simulation, and Early Access): closest matches first, and among equally close ones the better-known games.

Banished
Shared: City Builder · Strategy · Simulation

Cities: Skylines
Shared: City Builder · Simulation · Strategy

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Indie

Feed and Grow: Fish
Shared: Simulation · Early Access · Indie

Mount & Blade II: Bannerlord
Shared: Strategy · Action · Simulation

Foundation
Shared: City Builder · Strategy · Simulation

Infection Free Zone
Shared: City Builder · Strategy · Simulation

Manor Lords
Shared: City Builder · Strategy · Simulation

EmergeNYC
Shared: Simulation · Early Access · Strategy

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

TheoTown
Shared: City Builder · Simulation · Strategy

Ostriv
Shared: City Builder · Strategy · Simulation

Dawn of Man
Shared: City Builder · Strategy · Simulation

OMON Simulator
Shared: Simulation · Indie · Action

Stonehearth
Shared: City Builder · Strategy · Simulation

This Is the Police
Shared: Strategy · Indie · Story Rich

Bastion
Shared: Indie · Action · Great Soundtrack

Papers, Please
Shared: Indie · Simulation · Story Rich

Anno 1800
Shared: City Builder · Strategy · Simulation

Mini Motorways
Shared: Strategy · Simulation · Indie

Sultan's Game
Shared: Strategy · Simulation · Story Rich

Ultimate Epic Battle Simulator
Shared: Simulation · Strategy · Action

Planet Coaster
Shared: Simulation · Strategy · Action

The Escapists
Shared: Strategy · Simulation · Indie