Games like Karol World Breaker
Games like Karol World Breaker include Vampire Survivors, BALL x PIT, Halls of Torment, Megabonk, and Skul: The Hero Slayer. We matched them by the tags players give Karol World Breaker on Steam (Action, Action-Adventure, Arcade, Bullet Hell, and Action Roguelike): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Action Roguelike · Roguelite

BALL x PIT
Shared: Action · Arcade · Bullet Hell

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

Megabonk
Shared: Action Roguelike · Bullet Hell · Roguelite

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

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

Boneraiser Minions
Shared: Bullet Hell · Action Roguelike · Roguelite

BlazBlue Entropy Effect
Shared: Action · Action-Adventure · Action Roguelike

Nova Drift
Shared: Bullet Hell · Arcade · Roguelite

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

暖雪 Warm Snow
Shared: Action-Adventure · Action Roguelike · Roguelite

Nuclear Throne
Shared: Action Roguelike · Action · Bullet Hell

Windowkill
Shared: Action · Bullet Hell · Arcade

Hades
Shared: Action Roguelike · Action · Roguelite

Rocket Rats
Shared: Action Roguelike · Bullet Hell · Action

Dungreed
Shared: Action · Action Roguelike · Roguelite

SUPER CHICKEN JUMPER
Shared: Arcade · Action-Adventure · 2D

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

Tiny Rogues
Shared: Bullet Hell · Action Roguelike · Roguelite

Star of Providence
Shared: Bullet Hell · Roguelite · Action Roguelike

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Exit the Gungeon
Shared: Action · Arcade · Bullet Hell

SANABI
Shared: Action · Pixel Graphics · Action-Adventure

Rogue Legacy
Shared: Action · Action Roguelike · 2D