Games like 东方希莲船 ~ Ultimate Fatal Octopus
Games like 东方希莲船 ~ Ultimate Fatal Octopus include Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil, Touhou Juuouen 〜 Unfinished Dream of All Living Ghost., DRAINUS, Touhou Kouryudou ~ Unconnected Marketeers., and Touhou Kinjoukyou ~ Fossilized Wonders.. We matched them by the tags players give 东方希莲船 ~ Ultimate Fatal Octopus on Steam (Bullet Hell, Action, Shoot 'Em Up, Shooter, and Indie): closest matches first, and among equally close ones the better-known games.

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

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

DRAINUS
Shared: Action · Shoot 'Em Up · Shooter

Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Bullet Hell · Action · Shoot 'Em Up

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

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

Touhou Fuujinroku ~ Mountain of Faith.
Shared: Action · Bullet Hell · Indie

TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II
Shared: Bullet Hell · Shoot 'Em Up · Indie

ICEY
Shared: Action · Female Protagonist · Anime

LUFTRAUSERS
Shared: Bullet Hell · Action · Indie

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

TouHou Makuka Sai ~ Fantastic Danmaku Festival Part III
Shared: Bullet Hell · Shoot 'Em Up · Action

Revolution Ace
Shared: Action · Shoot 'Em Up · Bullet Hell

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

Vampire Survivors
Shared: Bullet Hell · Indie · 2D

Rabi-Ribi
Shared: Bullet Hell · Anime · Female Protagonist

Touhou Chireiden ~ Subterranean Animism.
Shared: Action · Bullet Hell · Indie

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

TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Bullet Hell · Action · Indie

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

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

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

Black Market of Bulletphilia ~ 100th Black Market.
Shared: Shoot 'Em Up · Shooter · Action

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