Games like Risen Kingdom
Games like Risen Kingdom include Plants vs. Zombies GOTY Edition, They Are Billions, Kingdom Rush - Tower Defense, Creeper World 3: Arc Eternal, and Plague Inc: Evolved. We matched them by the tags players give Risen Kingdom on Steam (Strategy, Indie, RTS, Base Building, and Tower Defense): closest matches first, and among equally close ones the better-known games.

Plants vs. Zombies GOTY Edition
Shared: Strategy · Tower Defense · Zombies

They Are Billions
Shared: Strategy · Base Building · RTS

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · 2D

Creeper World 3: Arc Eternal
Shared: Strategy · Indie · Tower Defense

Plague Inc: Evolved
Shared: Strategy · Indie · Zombies

Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · Tower Defense · 2D

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

Grim Nights
Shared: Strategy · Base Building · Tower Defense

Mindustry
Shared: Base Building · Strategy · RTS

RimWorld
Shared: Strategy · Base Building · Colony Sim

Oxygen Not Included
Shared: Base Building · Strategy · Colony Sim

Circle Empires
Shared: Strategy · Indie · RTS

Kingdom Two Crowns
Shared: Tower Defense · Base Building · Strategy

Infection Free Zone
Shared: Base Building · Strategy · Zombies

Rusted Warfare - RTS
Shared: Strategy · RTS · Base Building

Game Dev Tycoon
Shared: Indie · Strategy · Singleplayer

Going Medieval
Shared: Strategy · Base Building · Colony Sim

Kingdom Rush 5: Alliance TD
Shared: Strategy · Tower Defense · 2D

Diplomacy is Not an Option
Shared: Base Building · Zombies · RTS

Becastled
Shared: Strategy · Base Building · RTS

Kingdom Rush Origins - Tower Defense
Shared: Strategy · Tower Defense · 2D

The King is Watching
Shared: Base Building · RTS · Tower Defense

Rise to Ruins
Shared: Strategy · Tower Defense · Base Building

Age of Empires II (Retired)
Shared: Strategy · RTS · Base Building