Games like Touhou Danmaku Maze
Games like Touhou Danmaku Maze include Vampire Survivors, Rabi-Ribi, Hatsune Miku: Project DIVA Mega Mix+, Mirage Feathers, and DJMAX RESPECT V. We matched them by the tags players give Touhou Danmaku Maze on Steam (Bullet Hell, Anime, Arcade, Cute, and 2.5D): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Singleplayer · Pixel Graphics

Rabi-Ribi
Shared: Anime · Bullet Hell · Cute

Hatsune Miku: Project DIVA Mega Mix+
Shared: Anime · Arcade · Cute

Mirage Feathers
Shared: Anime · Bullet Hell · Cute

DJMAX RESPECT V
Shared: Anime · Cute · Action

SUPER CHICKEN JUMPER
Shared: Arcade · Cute · Anime

Muse Dash
Shared: Anime · Cute · Singleplayer

永远消失的幻想乡 ~ The Disappearing of Gensokyo
Shared: Bullet Hell · Anime · Cute

Exit the Gungeon
Shared: Arcade · Bullet Hell · Action

Megabonk
Shared: Bullet Hell · Action · Singleplayer

Little Witch Nobeta
Shared: Anime · Cute · Action

Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Singleplayer · Cute

Noobs Want to Live
Shared: Bullet Hell · 2.5D · Action

BALL x PIT
Shared: Bullet Hell · Arcade · Action

LUFTRAUSERS
Shared: Bullet Hell · Arcade · Action

Touhou Hero of Ice Fairy
Shared: Bullet Hell · Anime · Cute

Last Command
Shared: Bullet Hell · Anime · Cute

Dungeon Munchies
Shared: Anime · Action · Pixel Graphics

Rabbit and Steel
Shared: Bullet Hell · Cute · Anime

DELTARUNE
Shared: Bullet Hell · Singleplayer · Pixel Graphics

Gensokyo Night Festival
Shared: Action · Cute · Pixel Graphics

Avatar Legends: The Fighting Game
Shared: Anime · Singleplayer · Hand-drawn

Neptunia Shooter
Shared: Bullet Hell · Anime · Action

Zenless Zone Zero
Shared: Anime · Cute · Action