Games like Spirit Summoner
Games like Spirit Summoner include Broken Arrow, Total War: WARHAMMER III, Creeper World 4, Door Kickers 2: Task Force North, and Total War: WARHAMMER II. We matched them by the tags players give Spirit Summoner on Steam (Strategy, Real Time Tactics, 3D, Top-Down, and Tower Defense): closest matches first, and among equally close ones the better-known games.

Broken Arrow
Shared: Strategy · Real Time Tactics · RTS

Total War: WARHAMMER III
Shared: Strategy · Real Time Tactics · RTS

Creeper World 4
Shared: Real Time Tactics · Tower Defense · Strategy

Door Kickers 2: Task Force North
Shared: Real Time Tactics · Top-Down · Strategy

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

Aliens: Dark Descent
Shared: Strategy · Real Time Tactics · Tactical

Artisan TD
Shared: Strategy · Tower Defense · Real Time Tactics

Shadow Tactics: Blades of the Shogun
Shared: Strategy · Real Time Tactics · Tactical

Total War: THREE KINGDOMS
Shared: Strategy · War · Real Time Tactics

Door Kickers
Shared: Strategy · Top-Down · Tactical

Age of Darkness: Final Stand
Shared: Strategy · Tower Defense · 3D

GemCraft - Chasing Shadows
Shared: Strategy · Tower Defense · Indie

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

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

Sudden Strike 4
Shared: Strategy · Real Time Tactics · RTS

Men of War: Assault Squad 2
Shared: Strategy · War · Real Time Tactics

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

Wargame: Red Dragon
Shared: Strategy · Real Time Tactics · RTS

Total War: ROME II - Emperor Edition
Shared: Strategy · Real Time Tactics · War

Last Train Home
Shared: Strategy · Real Time Tactics · 3D

Northend Tower Defense
Shared: Strategy · Tower Defense · Indie

Total War: ATTILA
Shared: Strategy · War · Real Time Tactics

Infested Planet
Shared: Strategy · Tower Defense · Indie

Master of Command
Shared: Strategy · Real Time Tactics · War