Games like Luna: Supernatural Hunter
Games like Luna: Supernatural Hunter include UBERMOSH, Nuclear Throne, UBERMOSH Vol.3, Enter the Gungeon, and Hotline Miami. We matched them by the tags players give Luna: Supernatural Hunter on Steam (Female Protagonist, Supernatural, Top-Down Shooter, Bullet Hell, and Action): closest matches first, and among equally close ones the better-known games.

UBERMOSH
Shared: Action · Pixel Graphics · Female Protagonist

Nuclear Throne
Shared: Pixel Graphics · Bullet Hell · Indie

UBERMOSH Vol.3
Shared: Action · Indie · Pixel Graphics

Enter the Gungeon
Shared: Bullet Hell · Pixel Graphics · Indie

Hotline Miami
Shared: Action · Pixel Graphics · Indie

UBERMOSH:BLACK
Shared: Action · Bullet Hell · Indie

UBERMOSH Vol.5
Shared: Action · Indie · Bullet Hell

Hotline Miami 2: Wrong Number
Shared: Pixel Graphics · Action · Fast-Paced

Vampire Survivors
Shared: Bullet Hell · Pixel Graphics · Indie

Relic Hunters Zero: Remix
Shared: Top-Down Shooter · Action · Twin Stick Shooter

Bright Memory: Infinite
Shared: Female Protagonist · Action · Indie

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

UBERMOSH:SANTICIDE
Shared: Action · Female Protagonist · Indie

LUFTRAUSERS
Shared: Bullet Hell · Indie · Action

SYNTHETIK: Legion Rising
Shared: Top-Down Shooter · Action · Indie

永远消失的幻想乡 ~ The Disappearing of Gensokyo
Shared: Female Protagonist · Bullet Hell · Action

Bleed
Shared: Female Protagonist · Action · Indie

BALL x PIT
Shared: Action · Bullet Hell · Top-Down Shooter

Jet Lancer
Shared: Action · Indie · Pixel Graphics

RUINER
Shared: Top-Down Shooter · Action · Indie

Touhou ~Red Empress Devil.
Shared: Top-Down Shooter · Bullet Hell · Twin Stick Shooter

Kill The Crows
Shared: Female Protagonist · Action · Top-Down Shooter

DRAINUS
Shared: Action · Female Protagonist · Indie

ZeroRanger
Shared: Bullet Hell · Indie · Action