Games like Twilight Parade: Moonlit Mononoke
Games like Twilight Parade: Moonlit Mononoke include Vampire Survivors, LUFTRAUSERS, BALL x PIT, Rabi-Ribi, and DRAINUS. We matched them by the tags players give Twilight Parade: Moonlit Mononoke on Steam (Action, Arcade, Bullet Hell, Shoot 'Em Up, and Anime): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Pixel Graphics · Arcade

LUFTRAUSERS
Shared: Arcade · Bullet Hell · Action

BALL x PIT
Shared: Action · Arcade · Bullet Hell

Rabi-Ribi
Shared: Bullet Hell · Anime · Pixel Graphics

DRAINUS
Shared: Action · Shoot 'Em Up · Bullet Hell

ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Action

ICEY
Shared: Action · Anime · Female Protagonist

BLUE REVOLVER
Shared: Bullet Hell · Action · Shoot 'Em Up

TEVI
Shared: Bullet Hell · Anime · Pixel Graphics

Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Shoot 'Em Up · Female Protagonist

Dimension Tripper Neptune: TOP NEP
Shared: Action · Arcade · Bullet Hell

Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Bullet Hell

Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Shoot 'Em Up · Action

Neptunia Shooter
Shared: Action · Bullet Hell · Shoot 'Em Up

Mushihimesama
Shared: Bullet Hell · Arcade · Action

Mirage Feathers
Shared: Bullet Hell · Anime · Shoot 'Em Up

Exit the Gungeon
Shared: Arcade · Action · Bullet Hell

Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Arcade

Touhou Fuujinroku ~ Mountain of Faith.
Shared: Action · Bullet Hell · Shoot 'Em Up

Deathsmiles
Shared: Action · Bullet Hell · Arcade

Touhou Kinjoukyou ~ Fossilized Wonders.
Shared: Bullet Hell · Action · Shoot 'Em Up

Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Shared: Action · Bullet Hell · Shoot 'Em Up

Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Arcade

Touhou Kikeijuu ~ Wily Beast and Weakest Creature.
Shared: Bullet Hell · Action · Shoot 'Em Up