Games like Undead Tower Defense
Games like Undead Tower Defense include Bloons TD 6, GemCraft - Chasing Shadows, Kingdom Rush - Tower Defense, Kingdom Two Crowns, and Artisan TD. We matched them by the tags players give Undead Tower Defense on Steam (Real Time Tactics, Tower Defense, Indie, Strategy, and 3D): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Tower Defense · Strategy · Singleplayer

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

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

Kingdom Two Crowns
Shared: Tower Defense · Strategy · Medieval

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

Thronefall
Shared: Tower Defense · Strategy · Medieval

Kingdom Rush 5: Alliance TD
Shared: Tower Defense · Strategy · Singleplayer

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

Dungeon Warfare
Shared: Tower Defense · Indie · Strategy

Emberward
Shared: Tower Defense · Strategy · Indie

Orcs Must Die!
Shared: Tower Defense · Strategy · Indie

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

Minimalist Tower Defense
Shared: Tower Defense · Real Time Tactics · Strategy

Element TD 2 - Tower Defense
Shared: Real Time Tactics · Tower Defense · Strategy

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

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

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

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

Rogue Tower
Shared: Tower Defense · Strategy · 3D

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

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

Tiny Tactics
Shared: Tower Defense · Strategy · 3D

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

Door Kickers
Shared: Strategy · Indie · Top-Down