Games Like The Defender: Farm and Castle

Dungeon Defenders

Defender's Quest: Valley of the Forgotten (DX edition)

Prime World: Defenders

CastleStorm

Kingdom Rush - Tower Defense

Dungeon Defenders Eternity

Fortified

Aegis Defenders

Kingdom Rush Frontiers - Tower Defense

Dungeon Defenders: Awakened

Becastled

FarmD

Citywars Tower Defense

The Farmer Was Replaced

Artisan TD