Games like Maiden and Spell
Games like Maiden and Spell include DRAGON BALL FighterZ, Skullgirls 2nd Encore, Stick Fight: The Game, Them's Fightin' Herds, and ROUNDS. We matched them by the tags players give Maiden and Spell on Steam (Indie, Action, Bullet Hell, Cute, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.

DRAGON BALL FighterZ
Shared: Action · Fighting · Anime

Skullgirls 2nd Encore
Shared: Indie · Fighting · Multiplayer

Stick Fight: The Game
Shared: Action · Multiplayer · Fighting

Them's Fightin' Herds
Shared: Action · Indie · Cute

ROUNDS
Shared: Fighting · Multiplayer · Action

GUILTY GEAR -STRIVE-
Shared: Fighting · Anime · Action

Rivals of Aether
Shared: Indie · Fighting · Multiplayer

東方憑依華 ~ Antinomy of Common Flowers.
Shared: Indie · Fighting · Bullet Hell

Vanguard Princess
Shared: Indie · Action · Fighting

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

Granblue Fantasy: Versus
Shared: Action · Fighting · Anime

Rivals of Aether II
Shared: Indie · Fighting · Action

NARUTO SHIPPUDEN: Ultimate Ninja STORM 4
Shared: Action · Fighting · Anime

Streets of Rage 4
Shared: Action · Indie · Fighting

JoJo's Bizarre Adventure: All-Star Battle R
Shared: Action · Fighting · Anime

DRAGON BALL: Sparking! ZERO
Shared: Action · Multiplayer · Anime

Mortal Kombat 11
Shared: Action · Fighting · Multiplayer

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

Brawlhalla
Shared: Fighting · Multiplayer · Action

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

TEKKEN 7
Shared: Action · Fighting · Multiplayer

Rabi-Ribi
Shared: Bullet Hell · Indie · Anime

Acceleration of SUGURI 2
Shared: Fighting · Bullet Hell · Shoot 'Em Up

BlazBlue Centralfiction
Shared: Action · Fighting · Anime