Games like Abyss Protection TD
Games like Abyss Protection TD include Kingdom Two Crowns, Bloons TD 6, Kingdom Rush - Tower Defense, Rogue Tower, and Dungeon Defenders. We matched them by the tags players give Abyss Protection TD on Steam (3D, Survival, Strategy, PvE, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Kingdom Two Crowns
Shared: Tower Defense · Singleplayer · Strategy

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

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

Rogue Tower
Shared: Strategy · 3D · Tower Defense

Dungeon Defenders
Shared: Strategy · Survival · Singleplayer

Thronefall
Shared: Strategy · Tower Defense · 3D

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

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

Home Behind
Shared: Survival · Strategy · Singleplayer

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

Bee Island
Shared: Strategy · Tower Defense · 3D

Banished
Shared: Strategy · Survival · Singleplayer

Kingdom: New Lands
Shared: Survival · Tower Defense · Strategy

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

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

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

Emberward
Shared: Strategy · Tower Defense · 3D

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

Megabonk
Shared: Survival · Roguelite · Singleplayer

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

Bad North: Jotunn Edition
Shared: Survival · Tower Defense · Real Time Tactics

Totally Accurate Battle Simulator
Shared: Strategy · Singleplayer · 3D

Yokai Art: Night Parade of One Hundred Demons
Shared: Strategy · Tower Defense · Roguelite

This War of Mine
Shared: Survival · Strategy · Singleplayer