Games like Undholm
Games like Undholm include Dwarf Fortress, Feed and Grow: Fish, Storm Chasers, Papers, Please, and Craft The World. We matched them by the tags players give Undholm on Steam (Dwarves, Indie, Simulation, and Early Access): closest matches first, and among equally close ones the better-known games.

Dwarf Fortress
Shared: Dwarves · Simulation · Indie

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

Storm Chasers
Shared: Indie · Simulation · Early Access

Papers, Please
Shared: Indie · Simulation

Craft The World
Shared: Dwarves · Indie · Simulation

Paralives
Shared: Simulation · Indie · Early Access

Liftoff®: FPV Drone Racing
Shared: Simulation · Indie · Early Access

Orebound
Shared: Dwarves · Indie · Simulation

Plague Inc: Evolved
Shared: Simulation · Indie · Early Access

EmergeNYC
Shared: Simulation · Early Access · Indie

Game Dev Tycoon
Shared: Indie · Simulation

Startup Company
Shared: Simulation · Indie · Early Access

Granny Simulator
Shared: Simulation · Indie · Early Access

The Political Process
Shared: Simulation · Indie · Early Access

Master Of Pottery
Shared: Simulation · Indie · Early Access

Beasts of Bermuda
Shared: Simulation · Indie · Early Access

Life is Hard
Shared: Indie · Simulation · Early Access

Touhou Big Big Battle
Shared: Indie · Early Access · Simulation

Automation - The Car Company Tycoon Game
Shared: Simulation · Early Access · Indie

Astrox Imperium
Shared: Simulation · Indie · Early Access

Session: Skate Sim
Shared: Simulation · Indie · Early Access

上帝之城 I:监狱帝国 [City of God I - Prison Empire]
Shared: Indie · Simulation · Early Access

Retirement Simulator
Shared: Simulation · Indie · Early Access

Mountain
Shared: Indie · Simulation