Games like The Monarch
Games like The Monarch include Kingdom: New Lands, Oxygen Not Included, Drill Core, RimWorld, and They Are Billions. We matched them by the tags players give The Monarch on Steam (Tower Defense, Survival, Base Building, Exploration, and Roguelite): closest matches first, and among equally close ones the better-known games.
Kingdom: New Lands
Shared: Tower Defense · Survival · Base Building
Oxygen Not Included
Shared: Survival · Base Building · Colony Sim
Drill Core
Shared: Tower Defense · Roguelite · Exploration
RimWorld
Shared: Survival · Base Building · Colony Sim
They Are Billions
Shared: Base Building · Survival · Tower Defense
The Riftbreaker
Shared: Base Building · Tower Defense · Survival
7 Days to Die
Shared: Survival · Base Building · Exploration
Rise to Ruins
Shared: Tower Defense · Survival · Base Building
Kingdom Two Crowns
Shared: Tower Defense · Base Building · Medieval
The King is Watching
Shared: Tower Defense · Base Building · Roguelike
Until We Die
Shared: Survival · Base Building · Tower Defense
Going Medieval
Shared: Base Building · Survival · Colony Sim
Dwarf Fortress
Shared: Base Building · Colony Sim · Survival
Diplomacy is Not an Option
Shared: Base Building · Survival · Medieval
Space Haven
Shared: Survival · Base Building · Colony Sim
Cult of the Lamb
Shared: Base Building · Roguelite · Colony Sim
Wall World
Shared: Tower Defense · Roguelite · Exploration
Settlement Survival
Shared: Survival · Colony Sim · Exploration
Kenshi
Shared: Survival · Strategy RPG · Base Building
Rogue Tower
Shared: Tower Defense · Base Building · Roguelite
Banished
Shared: Survival · Colony Sim · Strategy
Stronghold Crusader: Definitive Edition
Shared: Real Time Tactics · Tower Defense · Colony Sim
Stronghold HD (2012)
Shared: Real Time Tactics · Tower Defense · Colony Sim
Kingdom Eighties
Shared: Exploration · Side Scroller · Tower Defense