Games like The Cubiw Dungeon
Games like The Cubiw Dungeon include Vampire Survivors, Enter the Gungeon, BALL x PIT, Megabonk, and Brotato. We matched them by the tags players give The Cubiw Dungeon on Steam (Bullet Hell, Action, Roguelike, Singleplayer, and Arcade): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · 2D · Singleplayer

Enter the Gungeon
Shared: Bullet Hell · Roguelike · Dungeon Crawler

BALL x PIT
Shared: Action · Bullet Hell · Roguelike

Megabonk
Shared: Roguelike · Bullet Hell · Action

Brotato
Shared: Bullet Hell · Roguelike · Singleplayer

Skul: The Hero Slayer
Shared: Action · Roguelike · 2D

The Binding of Isaac: Rebirth
Shared: Roguelike · Singleplayer · Dungeon Crawler

Halls of Torment
Shared: Bullet Hell · Roguelike · Action

Exit the Gungeon
Shared: Action · Bullet Hell · Arcade

Nova Drift
Shared: Bullet Hell · Arcade · Roguelike

Nuclear Throne
Shared: Roguelike · Bullet Hell · Action

LUFTRAUSERS
Shared: Bullet Hell · Action · Arcade

Death Must Die
Shared: Bullet Hell · Action · Roguelike

Dungreed
Shared: Roguelike · Action · 2D

Hades
Shared: Action · Roguelike · Singleplayer

Rogue Legacy
Shared: Roguelike · Action · Singleplayer

Rocket Rats
Shared: Bullet Hell · Action · Singleplayer

Returnal™
Shared: Bullet Hell · Action · Roguelike

Star of Providence
Shared: Bullet Hell · Action · Roguelike

Boneraiser Minions
Shared: Bullet Hell · 2D · Singleplayer

Hades II
Shared: Action · Roguelike · Dungeon Crawler

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

Planes, Bullets and Vodka
Shared: Action · Bullet Hell · Arcade

Rabbit and Steel
Shared: Bullet Hell · Roguelike · 2D