Games like Orc's Civil War
Games like Orc's Civil War include Age of Darkness: Final Stand, Age of Mythology: Retold, Thronefall, Bloons TD 6, and Total War: WARHAMMER II. We matched them by the tags players give Orc's Civil War on Steam (Strategy, Stylized, Tower Defense, RTS, and Fantasy): closest matches first, and among equally close ones the better-known games.

Age of Darkness: Final Stand
Shared: Tower Defense · Strategy · RTS

Age of Mythology: Retold
Shared: Strategy · RTS · 3D

Thronefall
Shared: Strategy · Tower Defense · 3D

Bloons TD 6
Shared: Strategy · Tower Defense · 3D

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

GemCraft - Frostborn Wrath
Shared: Tower Defense · Strategy · RTS

Lessaria: Fantasy Kingdom Sim
Shared: Strategy · RTS · Tower Defense

Total War: WARHAMMER III
Shared: Strategy · RTS · Fantasy

Artisan TD
Shared: Strategy · Tower Defense · Stylized

Creeper World 4
Shared: Tower Defense · Strategy · RTS

The King is Watching
Shared: Tower Defense · RTS · Strategy

Warhammer Age of Sigmar: Realms of Ruin
Shared: Strategy · RTS · Fantasy

Orcs Must Die! 3
Shared: Strategy · Tower Defense · 3D

Element TD 2 - Tower Defense
Shared: Tower Defense · Strategy · Fantasy

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

GemCraft - Chasing Shadows
Shared: Strategy · Tower Defense · Top-Down

Infested Planet
Shared: Strategy · Tower Defense · RTS

DG2: Defense Grid 2
Shared: Strategy · Tower Defense · Stylized

Warstone TD
Shared: Strategy · Tower Defense · Fantasy

Tiny Tactics
Shared: Strategy · Tower Defense · Top-Down

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · Fantasy

Tower Dominion
Shared: Strategy · Tower Defense · RTS

Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · Tower Defense · Fantasy

They Are Billions
Shared: Strategy · RTS · Tower Defense