Games like Red Ruin
Games like Red Ruin include Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil, Star Saviors, TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II, Cuphead, and Touhou Fuujinroku ~ Mountain of Faith.. We matched them by the tags players give Red Ruin on Steam (Action, Indie, Shoot 'Em Up, Difficult, and Singleplayer): closest matches first, and among equally close ones the better-known games.
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Shoot 'Em Up · Action · Difficult
Star Saviors
Shared: Action · Shoot 'Em Up · Indie
TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II
Shared: Indie · Shoot 'Em Up · Bullet Hell
Cuphead
Shared: Difficult · Indie · Action
Touhou Fuujinroku ~ Mountain of Faith.
Shared: Action · Indie · Shoot 'Em Up
Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Shoot 'Em Up · Difficult · Indie
Hollow Knight: Silksong
Shared: Indie · Difficult · Singleplayer
LUFTRAUSERS
Shared: Indie · Action · Bullet Hell
Bit Blaster XL
Shared: Shoot 'Em Up · Difficult · Bullet Hell
Skul: The Hero Slayer
Shared: Action · Indie · Singleplayer
Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Action · Shoot 'Em Up · Bullet Hell
Star of Providence
Shared: Shoot 'Em Up · Indie · Action
Ikaruga
Shared: Shoot 'Em Up · Action · Bullet Hell
Touhou Fantasia / 东方梦想曲
Shared: Action · Indie · Shoot 'Em Up
Jets'n'Guns Gold
Shared: Shoot 'Em Up · Action · Indie
Enter the Gungeon
Shared: Bullet Hell · Difficult · Indie
Touhou Chireiden ~ Subterranean Animism.
Shared: Action · Indie · Shoot 'Em Up
ZeroRanger
Shared: Indie · Shoot 'Em Up · Action
Hades
Shared: Indie · Action · Singleplayer
TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Indie · Action · Bullet Hell
Just Shapes & Beats
Shared: Difficult · Indie · Action
FTL: Faster Than Light
Shared: Indie · Space · Singleplayer
Hollow Knight
Shared: Difficult · Indie · Singleplayer
Sifu
Shared: Action · Difficult · Singleplayer