Games like Queendoom
Games like Queendoom include Orcs Must Die!, GemCraft - Chasing Shadows, Orcs Must Die! 2, Elven Assassin, and Skul: The Hero Slayer. We matched them by the tags players give Queendoom on Steam (Action, Indie, Fantasy, Archery, and Demons): closest matches first, and among equally close ones the better-known games.

Orcs Must Die!
Shared: Action · Fantasy · Indie

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

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

Elven Assassin
Shared: Action · Indie · VR

Skul: The Hero Slayer
Shared: Action · Indie · Fantasy

Deathtrap
Shared: Action · Indie · Tower Defense

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

Dust: An Elysian Tail
Shared: Action · Indie · Fantasy

Project Wingman
Shared: Action · Indie · VR

CastleStorm
Shared: Indie · Action · Fantasy

Bastion
Shared: Indie · Action · Fantasy

Blade and Sorcery
Shared: VR · Action · Fantasy

GORN
Shared: Action · VR · Indie

QuiVr
Shared: Archery · Action · VR

In Death
Shared: Action · Indie · VR

Vengeful Rites
Shared: Action · Indie · VR

Contractors
Shared: Action · VR · Indie

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

BONEWORKS
Shared: Action · VR · Indie

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

Hard Bullet
Shared: Action · VR · Indie

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

Holopoint
Shared: Action · Indie · VR

Magicka
Shared: Action · Fantasy · Indie