Games like Atria Valkyrie
Games like Atria Valkyrie include BALL x PIT, Sky Force Reloaded, Nova Drift, 20 Minutes Till Dawn, and DoDonPachi Resurrection. We matched them by the tags players give Atria Valkyrie on Steam (Top-Down Shooter, Female Protagonist, Shoot 'Em Up, Hero Shooter, and Bullet Hell): closest matches first, and among equally close ones the better-known games.
BALL x PIT
Shared: Bullet Hell · Arcade · Top-Down Shooter
Sky Force Reloaded
Shared: Shoot 'Em Up · Top-Down Shooter · Bullet Hell
Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Arcade
20 Minutes Till Dawn
Shared: Bullet Hell · Top-Down Shooter · Shoot 'Em Up
DoDonPachi Resurrection
Shared: Top-Down Shooter · Shoot 'Em Up · Bullet Hell
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Female Protagonist · Shoot 'Em Up · Bullet Hell
Deep Rock Galactic: Survivor
Shared: Top-Down Shooter · Bullet Hell · Bullet Heaven
Bot Vice
Shared: Top-Down Shooter · Shoot 'Em Up · Bullet Hell
Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Mushihimesama
Shared: Shoot 'Em Up · Bullet Hell · Arcade
BLUE REVOLVER
Shared: Shoot 'Em Up · Bullet Hell · Arcade
KILL KNIGHT
Shared: Top-Down Shooter · Bullet Hell · Bullet Heaven
Epido
Shared: Shoot 'Em Up · Bullet Hell · Female Protagonist
Kill The Crows
Shared: Female Protagonist · Top-Down Shooter · Arcade
Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Shoot 'Em Up · Female Protagonist
TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Bullet Hell · Shoot 'Em Up · Female Protagonist
TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II
Shared: Shoot 'Em Up · Bullet Hell · Female Protagonist
Mirage Feathers
Shared: Bullet Hell · Shoot 'Em Up · Anime
Yet Another Zombie Survivors
Shared: Top-Down Shooter · Bullet Heaven · Arcade
永远消失的幻想乡 ～ The Disappearing of Gensokyo
Shared: Female Protagonist · Bullet Hell · Anime
Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Cyberhunt
Shared: Shoot 'Em Up · Arcade · Top-Down Shooter
Touhou Kinjoukyou ～ Fossilized Wonders.
Shared: Shoot 'Em Up · Bullet Hell · Female Protagonist
Time Wasters
Shared: Bullet Hell · Bullet Heaven · Shoot 'Em Up