Games like GwenBlade: Halloween
Games like GwenBlade: Halloween include Hades II, Hades, Dead Cells, Moonlighter, and Going Under. We matched them by the tags players give GwenBlade: Halloween on Steam (Female Protagonist, Character Customization, Psychological Horror, Action Roguelike, and Souls-like): closest matches first, and among equally close ones the better-known games.

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

Hades
Shared: Action Roguelike · Hack and Slash · Roguelite

Dead Cells
Shared: Action Roguelike · Souls-like · Roguelike

Moonlighter
Shared: Hack and Slash · Action Roguelike · Dungeon Crawler

Going Under
Shared: Action Roguelike · Female Protagonist · Dungeon Crawler

Cinderia
Shared: Action Roguelike · Hack and Slash · Roguelite

Neverinth
Shared: Character Customization · Action Roguelike · Souls-like

Heroes of Hammerwatch II
Shared: Action Roguelike · Dungeon Crawler · Roguelite

Haste
Shared: Female Protagonist · 3D Platformer · Roguelite

Stellar Blade™
Shared: Female Protagonist · Souls-like · Hack and Slash

Dreamscaper
Shared: Action Roguelike · Female Protagonist · Roguelite

NECROPOLIS: BRUTAL EDITION
Shared: Action Roguelike · Souls-like · Dungeon Crawler

WUCHANG: Fallen Feathers
Shared: Female Protagonist · Souls-like · Hack and Slash

Path of Exile 2
Shared: Hack and Slash · Souls-like · RPG

Cult of the Lamb
Shared: Action Roguelike · Character Customization · Dungeon Crawler

Wizard of Legend
Shared: Action Roguelike · Dungeon Crawler · Roguelike

Children of Morta
Shared: Action Roguelike · Hack and Slash · Roguelike

Lost Castle
Shared: Action Roguelike · Hack and Slash · Dungeon Crawler

Mortal Sin
Shared: Action Roguelike · Hack and Slash · Dungeon Crawler

SILENT HILL f
Shared: Female Protagonist · Psychological Horror · Souls-like

Realm of Ink
Shared: Action Roguelike · Female Protagonist · Roguelite

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Dungeon Crawler

暖雪 Warm Snow
Shared: Action Roguelike · Character Customization · Roguelite

Bloody Spell
Shared: Female Protagonist · Souls-like · Hack and Slash