Games like Lichgate: Tower Survivor
Games like Lichgate: Tower Survivor include Bloons TD 6, Thronefall, Nordhold, Necrosmith, and Emberward. We matched them by the tags players give Lichgate: Tower Survivor on Steam (Strategy, Tower Defense, Auto Battler, Roguelite, and Combat): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

Thronefall
Shared: Strategy · Tower Defense · 3D

Nordhold
Shared: Strategy · Tower Defense · Roguelite

Necrosmith
Shared: Tower Defense · Strategy · Roguelite

Emberward
Shared: Tower Defense · Strategy · Roguelite

Monsters are Coming!
Shared: Tower Defense · Roguelite · Combat

Necrosmith 2
Shared: Strategy · Tower Defense · Roguelite

Age of Darkness: Final Stand
Shared: Tower Defense · Strategy · Dark Fantasy

Tower Dominion
Shared: Strategy · Tower Defense · Roguelite

Heretic's Fork
Shared: Tower Defense · Strategy · Roguelite

Poly TD
Shared: Tower Defense · Auto Battler · Strategy

Rogue Tower
Shared: Strategy · Tower Defense · Roguelite

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

The King is Watching
Shared: Tower Defense · Strategy · Dark Fantasy

Wall World
Shared: Roguelite · Tower Defense · Strategy

Legion TD 2 - Multiplayer Tower Defense
Shared: Tower Defense · Strategy · Auto Battler

Warpips
Shared: Strategy · Tower Defense · Auto Battler

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

9 Kings
Shared: Strategy · Auto Battler · Roguelite

Orcs Must Die! Deathtrap
Shared: Tower Defense · Roguelite · Strategy

Sir, We Have an Orc Problem
Shared: Tower Defense · Roguelite · Strategy

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

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

Mech Fortress
Shared: Tower Defense · Auto Battler · Strategy