Games like Ballmancy
Games like Ballmancy include BALL x PIT, Megabonk, Vampire Survivors, Nova Drift, and Halls of Torment. We matched them by the tags players give Ballmancy on Steam (Action, Roguelite, Arcade, Bullet Hell, and Bullet Heaven): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Action · Roguelite · Arcade

Megabonk
Shared: Roguelite · Bullet Heaven · Roguelike

Vampire Survivors
Shared: Roguelite · Bullet Hell · Action Roguelike

Nova Drift
Shared: Roguelite · Bullet Hell · Arcade

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

Brotato
Shared: Bullet Hell · Roguelike · Bullet Heaven

Soulstone Survivors
Shared: Roguelite · Bullet Heaven · Bullet Hell

Rogue: Genesia
Shared: Roguelite · Bullet Hell · Bullet Heaven

Deep Rock Galactic: Survivor
Shared: Roguelite · Bullet Heaven · Bullet Hell

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

Tower of Babel: Survivors of Chaos
Shared: Roguelite · Bullet Heaven · Bullet Hell

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

Boneraiser Minions
Shared: Roguelite · Bullet Hell · Action Roguelike

Hades
Shared: Roguelite · Action · Action Roguelike

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

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

Cursorblade
Shared: Arcade · Bullet Hell · Roguelite

Sephiria
Shared: Roguelite · Action · Action Roguelike

Spirit Hunters: Infinite Horde
Shared: Roguelite · Action · Bullet Heaven

Hades II
Shared: Action · Roguelite · Roguelike

Star of Providence
Shared: Roguelite · Bullet Hell · Action

Atomicrops
Shared: Action · Bullet Hell · Roguelike

Yet Another Zombie Survivors
Shared: Bullet Heaven · Roguelite · Arcade

Time Wasters
Shared: Bullet Heaven · Bullet Hell · Roguelite