Games like Fungal Field
Games like Fungal Field include Banished, Oxygen Not Included, Plague Inc: Evolved, Foundation, and Terra Nil. We matched them by the tags players give Fungal Field on Steam (Strategy, Colony Sim, Simulation, Nature, and 3D): closest matches first, and among equally close ones the better-known games.

Banished
Shared: Colony Sim · Strategy · Simulation

Oxygen Not Included
Shared: Colony Sim · Resource Management · Strategy

Plague Inc: Evolved
Shared: Strategy · Simulation · Indie

Foundation
Shared: Simulation · Strategy · Relaxing

Terra Nil
Shared: Strategy · Nature · Relaxing

Kingdoms and Castles
Shared: Colony Sim · Strategy · Simulation

RimWorld
Shared: Colony Sim · Strategy · Simulation

Quarantine Zone: The Last Check
Shared: Simulation · Zombies · 3D

Frostpunk
Shared: Strategy · Colony Sim · Resource Management

Ostriv
Shared: Strategy · Simulation · Colony Sim

Tavern Master
Shared: Simulation · Strategy · Resource Management

Prison Architect
Shared: Simulation · Colony Sim · Strategy

Dawn of Man
Shared: Colony Sim · Strategy · Simulation

They Are Billions
Shared: Colony Sim · Strategy · Zombies

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Singleplayer

This War of Mine
Shared: Strategy · Simulation · Singleplayer

ISLANDERS
Shared: Strategy · Relaxing · Colony Sim

Mini Motorways
Shared: Strategy · Simulation · Relaxing

Manor Lords
Shared: Strategy · Simulation · Colony Sim

Offworld Trading Company
Shared: Strategy · 3D · Simulation

Infection Free Zone
Shared: Strategy · Simulation · Zombies

Against the Storm
Shared: Strategy · Simulation · Colony Sim

Gnomoria
Shared: Colony Sim · Strategy · Simulation

Going Medieval
Shared: Colony Sim · Strategy · Nature