Games like Solid Aether
Games like Solid Aether include Vampire Survivors, LUFTRAUSERS, Windowkill, Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil, and Bit Blaster XL. We matched them by the tags players give Solid Aether on Steam (Action, Indie, Minimalist, Shoot 'Em Up, and Bullet Hell): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Bullet Hell · Indie · 2D
LUFTRAUSERS
Shared: Indie · Action · Bullet Hell
Windowkill
Shared: Action · Indie · Bullet Hell
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Shoot 'Em Up · Bullet Hell · Action
Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Action
Skul: The Hero Slayer
Shared: Action · Indie · 2D
Touhou Fuujinroku ~ Mountain of Faith.
Shared: Action · Indie · Bullet Hell
Awaria
Shared: Action · Bullet Hell · Indie
Star Saviors
Shared: Action · Shoot 'Em Up · Indie
DRAINUS
Shared: Action · Indie · Shoot 'Em Up
BALL x PIT
Shared: Action · Bullet Hell · Shoot 'Em Up
ZeroRanger
Shared: Indie · Shoot 'Em Up · Action
Revolution Ace
Shared: Action · Indie · Shoot 'Em Up
Star of Providence
Shared: Indie · Bullet Hell · Shoot 'Em Up
TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II
Shared: Indie · Bullet Hell · Shoot 'Em Up
Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Action · Shoot 'Em Up · Bullet Hell
Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Bullet Hell
Savant - Ascent
Shared: Action · Indie · Shoot 'Em Up
SUPERHOT
Shared: Action · Indie · Singleplayer
Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Shared: Action · Shoot 'Em Up · Bullet Hell
Zombotron
Shared: Action · Indie · 2D
Jet Lancer
Shared: Action · Indie · Shoot 'Em Up
Cyberhunt
Shared: Action · Indie · Shoot 'Em Up
Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Shoot 'Em Up · Indie