Games like Kingdom-Heroes
Games like Kingdom-Heroes include Plague Inc: Evolved, Tooth and Tail, Circle Empires, Game Dev Tycoon, and Shadow Tactics: Blades of the Shogun. We matched them by the tags players give Kingdom-Heroes on Steam (Strategy, Indie, Casual, RTS, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Plague Inc: Evolved
Shared: Strategy · Indie · Singleplayer

Tooth and Tail
Shared: Strategy · Indie · RTS

Circle Empires
Shared: Strategy · Indie · Casual

Game Dev Tycoon
Shared: Indie · Strategy · Casual

Shadow Tactics: Blades of the Shogun
Shared: Strategy · Indie · Singleplayer

Total War: WARHAMMER II
Shared: Strategy · RTS · Singleplayer

Iron Marines
Shared: Strategy · RTS · Singleplayer

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · Singleplayer

Kingdom Rush - Tower Defense
Shared: Strategy · Singleplayer · Casual

Command & Conquer Red Alert™ 2 and Yuri’s Revenge™
Shared: Strategy · RTS · Singleplayer

Infested Planet
Shared: Strategy · Indie · RTS

Mini Motorways
Shared: Strategy · Casual · Indie

Warhammer 40,000: Dawn of War III
Shared: Strategy · RTS · Action

Caster
Shared: Indie · Action · Casual

911 Operator
Shared: Strategy · Indie · Singleplayer

Bloons TD 6
Shared: Strategy · Singleplayer · Casual

Boid
Shared: Strategy · Indie · Casual

Rock 'N' Roll Defense
Shared: Strategy · Casual · Indie

Plebby Quest: The Crusades
Shared: Strategy · Indie · Casual

Aliens: Dark Descent
Shared: Strategy · RTS · Action

Door Kickers
Shared: Strategy · Indie · Action

Mount & Blade II: Bannerlord
Shared: Strategy · Singleplayer · Action

STAR WARS™ Empire at War - Gold Pack
Shared: Strategy · RTS · Singleplayer

Call to Arms
Shared: Strategy · RTS · Action