Games like Dragon Girls
Games like Dragon Girls include Vampire Survivors, Skul: The Hero Slayer, Hades, Dead Cells, and Death Must Die. We matched them by the tags players give Dragon Girls on Steam (Action, Action Roguelike, 2D, Hack and Slash, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · 2D · Roguelite

Skul: The Hero Slayer
Shared: Action · Action Roguelike · 2D

Hades
Shared: Action Roguelike · Hack and Slash · Action

Dead Cells
Shared: Action Roguelike · Adventure · 2D

Death Must Die
Shared: Action Roguelike · Action · Hack and Slash

Megabonk
Shared: Action Roguelike · Action · Indie

Halls of Torment
Shared: Action Roguelike · Action · Roguelite

Hades II
Shared: Action · Hack and Slash · Action Roguelike

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Indie

Boneraiser Minions
Shared: Action Roguelike · 2D · Bullet Hell

Brotato
Shared: Action Roguelike · Singleplayer · Bullet Hell

BlazBlue Entropy Effect
Shared: Action Roguelike · Action · 2D

Cult of the Lamb
Shared: Action Roguelike · Singleplayer · Roguelite

Tower of Babel: Survivors of Chaos
Shared: Action Roguelike · Action · Hack and Slash

Have a Nice Death
Shared: Action Roguelike · 2D · Hack and Slash

Dungreed
Shared: Action Roguelike · Action · 2D

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Roguelite

Hero Siege
Shared: Action Roguelike · Hack and Slash · Action

Rogue Legacy
Shared: Action Roguelike · Action · 2D

Rocket Rats
Shared: Action Roguelike · 2D · Action

Asgard's Fall — Viking Survivors
Shared: Action Roguelike · Casual · 2D

UnderMine
Shared: Action Roguelike · Action · Roguelite

ScourgeBringer
Shared: Action · Action Roguelike · Indie

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Indie · Singleplayer