Games like Hunchback's Dungeon
Games like Hunchback's Dungeon include Brotato, Vampire Survivors, Megabonk, Halls of Torment, and Death Must Die. We matched them by the tags players give Hunchback's Dungeon on Steam (Magic, Action Roguelike, Survival, Dark Fantasy, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Brotato
Shared: Action Roguelike · Bullet Hell · Singleplayer

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Megabonk
Shared: Action Roguelike · Bullet Hell · Roguelite

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Dark Fantasy

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

Hades
Shared: Action Roguelike · Roguelite · Singleplayer

20 Minutes Till Dawn
Shared: Action Roguelike · Survival · Bullet Hell

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Noobs Are Coming
Shared: Action Roguelike · Bullet Hell · Arena Shooter

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

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

Dead Cells
Shared: Action Roguelike · Roguelite · Roguelike

The Spell Brigade
Shared: Action Roguelike · Bullet Hell · Roguelite

BALL x PIT
Shared: Action Roguelike · Bullet Hell · Roguelite

Arms of God
Shared: Action Roguelike · Bullet Hell · Arena Shooter

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Roguelike

Seraph's Last Stand
Shared: Action Roguelike · Bullet Hell · Magic

FatalZone
Shared: Action Roguelike · Survival · Bullet Hell

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

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

Hades II
Shared: Action Roguelike · Roguelite · Action

Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelite

Wizard of Legend
Shared: Action Roguelike · Magic · Roguelike

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Singleplayer

