Games like Bullet Hero
Games like Bullet Hero include Geometry Dash, A Dance of Fire and Ice, Just Shapes & Beats, Rhythm Doctor, and Rift of the NecroDancer. We matched them by the tags players give Bullet Hero on Steam (Music, Action, Rhythm, 2D, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Geometry Dash
Shared: Music · Level Editor · Difficult

A Dance of Fire and Ice
Shared: Music · Rhythm · Level Editor

Just Shapes & Beats
Shared: Music · Rhythm · Bullet Hell

Rhythm Doctor
Shared: Music · Rhythm · Level Editor

Rift of the NecroDancer
Shared: Music · Rhythm · Action

Muse Dash
Shared: Music · Rhythm · 2D

DJMAX RESPECT V
Shared: Music · Rhythm · Action

Super Hexagon
Shared: Difficult · Rhythm · Action

Intralism
Shared: Music · Rhythm · Level Editor

Beat Saber
Shared: Music · Rhythm · Action

Everhood
Shared: Music · 2D · Bullet Hell

Afterbeat (Project Arrhythmia)
Shared: Music · Rhythm · Bullet Hell

Beatblock
Shared: Music · Rhythm · Level Editor

Melatonin
Shared: Rhythm · Music · 2D

Spin Rhythm XD
Shared: Music · Rhythm · Action

Beat Hazard
Shared: Rhythm · Music · Bullet Hell

Neon Beats
Shared: Music · Rhythm · 2D

EZ2ON REBOOT : R
Shared: Action · Music · Rhythm

Soundodger+
Shared: Music · Rhythm · Bullet Hell

Thumper
Shared: Rhythm · Action · Music

Music Racer
Shared: Music · Rhythm · Action

Hi-Fi RUSH
Shared: Action · Rhythm · Music

140
Shared: Rhythm · Music · Difficult

64.0
Shared: Action · Rhythm · Difficult