Games like Kill The Music
Games like Kill The Music include Megabonk, Vampire Survivors, Death Must Die, Soulstone Survivors, and Halls of Torment. We matched them by the tags players give Kill The Music on Steam (Bullet Heaven, Rhythm, Action Roguelike, Roguelite, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Bullet Heaven · Action Roguelike · Roguelite

Vampire Survivors
Shared: Action Roguelike · Roguelite · Bullet Hell

Death Must Die
Shared: Action Roguelike · Roguelite · Bullet Hell

Soulstone Survivors
Shared: Bullet Heaven · Action Roguelike · Roguelite

Halls of Torment
Shared: Action Roguelike · Roguelite · Bullet Hell

Brotato
Shared: Action Roguelike · Bullet Heaven · Bullet Hell

Tower of Babel: Survivors of Chaos
Shared: Bullet Heaven · Action Roguelike · Roguelite

Hades II
Shared: Roguelite · Action · Action Roguelike

Hades
Shared: Action Roguelike · Roguelite · Action

Deep Rock Galactic: Survivor
Shared: Bullet Heaven · Action Roguelike · Roguelite

BALL x PIT
Shared: Roguelite · Action · Bullet Hell

Rogue: Genesia
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Hell Maiden
Shared: Bullet Heaven · Action Roguelike · Roguelite

Skul: The Hero Slayer
Shared: Action Roguelike · Action · Roguelite

Nova Drift
Shared: Roguelite · Bullet Hell · Action Roguelike

The Spell Brigade
Shared: Bullet Heaven · Roguelite · Bullet Hell

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite

Nordic Ashes: Survivors of Ragnarok
Shared: Bullet Heaven · Action Roguelike · Roguelite

Atomicrops
Shared: Action · Bullet Hell · Action Roguelike

Time Wasters
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Roguelike

Karate Survivor
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Roguelite

Nomad Survival
Shared: Action Roguelike · Roguelite · Bullet Heaven