Games like Home Domes
Games like Home Domes include Oxygen Not Included, RimWorld, Space Haven, Planetbase, and Prison Architect. We matched them by the tags players give Home Domes on Steam (Space, Life Sim, Colony Sim, Character Customization, and Simulation): closest matches first, and among equally close ones the better-known games.

Oxygen Not Included
Shared: Colony Sim · Survival · Management

RimWorld
Shared: Colony Sim · Survival · Management

Space Haven
Shared: Colony Sim · Space · Survival

Planetbase
Shared: Colony Sim · Space · Simulation

Prison Architect
Shared: Simulation · Colony Sim · Management

IXION
Shared: Space · Colony Sim · Survival

Youtubers Life
Shared: Life Sim · Management · Character Customization

Dwarf Fortress
Shared: Colony Sim · Simulation · Base Building

The Sims™ 4
Shared: Life Sim · Character Customization · Simulation

Dyson Sphere Program
Shared: Space · Simulation · Base Building

Frostpunk
Shared: Colony Sim · Survival · Management

Banished
Shared: Colony Sim · Simulation · Survival

Space Engineers
Shared: Space · Simulation · Survival

Manor Lords
Shared: Simulation · Management · Base Building

Spacebase DF-9
Shared: Space · Simulation · Base Building

Going Medieval
Shared: Colony Sim · Management · Base Building

Mind Over Magic
Shared: Colony Sim · Survival · Simulation

Kingdoms and Castles
Shared: Colony Sim · Simulation · Management

Paralives
Shared: Life Sim · Character Customization · Simulation

The Universim
Shared: Colony Sim · Space · Management

Against the Storm
Shared: Simulation · Colony Sim · Management

Stranded: Alien Dawn
Shared: Simulation · Colony Sim · Survival

Crusader Kings III
Shared: Simulation · Life Sim · Character Customization

The Sims™ 3
Shared: Life Sim · Character Customization · Simulation