Games like Dungeon Breaker
Games like Dungeon Breaker include Megabonk, Hades, Vampire Survivors, Halls of Torment, and Skul: The Hero Slayer. We matched them by the tags players give Dungeon Breaker on Steam (Indie, Action Roguelike, Action, Roguelike, and Roguelite): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Action Roguelike · Indie · Roguelike

Hades
Shared: Action Roguelike · Indie · Roguelite

Vampire Survivors
Shared: Action Roguelike · Roguelite · Indie

Halls of Torment
Shared: Action Roguelike · Roguelite · Roguelike

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

The Binding of Isaac
Shared: Action Roguelike · Indie · Roguelike

Death Must Die
Shared: Action Roguelike · Roguelite · Action

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

Hades II
Shared: Action · Roguelike · Roguelite

Streets of Rogue
Shared: Action Roguelike · Roguelite · Indie

UnderMine
Shared: Action Roguelike · Roguelite · Indie

Dungreed
Shared: Action Roguelike · Roguelike · Indie

Risk of Rain 2
Shared: Action Roguelike · Roguelike · Action

Rogue Legacy
Shared: Indie · Action Roguelike · Roguelike

Sephiria
Shared: Action Roguelike · Roguelike · Roguelite

Gunfire Reborn
Shared: Roguelike · Roguelite · Indie

Mortal Sin
Shared: Action Roguelike · Indie · Action

Nuclear Throne
Shared: Action Roguelike · Indie · Roguelike

Dead Cells
Shared: Action Roguelike · Roguelike · Roguelite

Ravenswatch
Shared: Action Roguelike · Roguelike · Action

Risk of Rain (2013)
Shared: Action Roguelike · Indie · Roguelike

Heroes of Hammerwatch II
Shared: Action Roguelike · Action · RPG

Hero Siege
Shared: Action Roguelike · RPG · Roguelike

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Indie