Games like Rags to Liches
Games like Rags to Liches include Orcs Must Die! 3, Thronefall, Orcs Must Die!, Kingdom Rush - Tower Defense, and Age of Darkness: Final Stand. We matched them by the tags players give Rags to Liches on Steam (Action, Strategy, Tower Defense, 3D, and Stylized): closest matches first, and among equally close ones the better-known games.

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

Thronefall
Shared: Strategy · Tower Defense · Action

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

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

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

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

Black Myth: Wukong
Shared: Action · Singleplayer · Atmospheric

Crimson Desert Enhanced
Shared: Action · Singleplayer · Fantasy

Orcs Must Die! 2
Shared: Action · Tower Defense · Strategy

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

God of War
Shared: Action · Singleplayer · Fantasy

Kingdom Two Crowns
Shared: Tower Defense · Strategy · Fantasy

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

World of Warships
Shared: 3D · Free to Play · Strategy

The Witcher 3: Wild Hunt — Remastered
Shared: Fantasy · Atmospheric · Singleplayer

SMITE®
Shared: Action · Strategy · Free to Play

Kingdom Rush 6: Genesis TD
Shared: Strategy · Action · Tower Defense

Idle Champions of the Forgotten Realms
Shared: Strategy · Fantasy · Free to Play

Sang-Froid - Tales of Werewolves
Shared: Strategy · Action · Tower Defense

Predecessor
Shared: Action · PvE · Strategy

Dungeon Defenders
Shared: Tower Defense · Strategy · Singleplayer

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

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

Warhammer 40,000: Space Marine 2
Shared: Action · PvE · Singleplayer