Games like Izurana's Walk
Games like Izurana's Walk include Vampire Survivors, Celeste, Halls of Torment, CrossCode, and Death Must Die. We matched them by the tags players give Izurana's Walk on Steam (Precision Platformer, RPG, Bullet Hell, Casual, and Arcade): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Casual · 2D

Celeste
Shared: Precision Platformer · Pixel Graphics · Female Protagonist

Halls of Torment
Shared: Bullet Hell · RPG · Action RPG

CrossCode
Shared: RPG · Action RPG · Female Protagonist

Death Must Die
Shared: Bullet Hell · RPG · Pixel Graphics

DELTARUNE
Shared: RPG · Bullet Hell · Pixel Graphics

Undertale
Shared: RPG · Pixel Graphics · Bullet Hell

Boneraiser Minions
Shared: Bullet Hell · 2D · Casual

Touhou Mystia's Izakaya
Shared: RPG · Casual · Pixel Graphics

Hero Siege
Shared: RPG · Action RPG · Pixel Graphics

UFO 50
Shared: RPG · Arcade · 2D

Downwell
Shared: Precision Platformer · Arcade · Pixel Graphics

Rabi-Ribi
Shared: Bullet Hell · Female Protagonist · Pixel Graphics

Stardew Valley
Shared: RPG · Pixel Graphics · Casual

Eastward
Shared: RPG · Action RPG · Pixel Graphics

ATLYSS
Shared: RPG · Action RPG · Cute

Kaze and the Wild Masks
Shared: Precision Platformer · Casual · 2D

Helen's Mysterious Castle
Shared: RPG · Casual · Female Protagonist

Planes, Bullets and Vodka
Shared: Casual · Bullet Hell · Arcade

LUFTRAUSERS
Shared: Bullet Hell · Arcade · 2D

Muse Dash
Shared: Casual · Female Protagonist · Cute

Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Female Protagonist · Arcade

Soulstone Survivors
Shared: Bullet Hell · RPG · Action RPG

Bit Blaster XL
Shared: Bullet Hell · Arcade · Casual