Games like Oathbreak Dungeons
Games like Oathbreak Dungeons include Dead Cells, Noita, Skul: The Hero Slayer, Rogue Legacy 2, and Rogue Legacy. We matched them by the tags players give Oathbreak Dungeons on Steam (Action, Adventure, Platformer, Roguelike, and Mystery Dungeon): closest matches first, and among equally close ones the better-known games.

Dead Cells
Shared: Adventure · Roguelike · Roguelite

Noita
Shared: Roguelike · Dungeon Crawler · Action

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

Rogue Legacy 2
Shared: Action · Platformer · Adventure

Rogue Legacy
Shared: Platformer · Roguelike · Action

Dungreed
Shared: Action · Roguelike · Roguelite

ScourgeBringer
Shared: Action · Adventure · Roguelike

Hades II
Shared: Action · Roguelike · Roguelite

SANABI
Shared: Action · Adventure · 2D Platformer

Neon Abyss
Shared: Platformer · Roguelike · Adventure

Rotwood
Shared: Dungeon Crawler · Roguelike · Roguelite

Rayman® Legends
Shared: Adventure · Platformer · Action

Hades
Shared: Action · Roguelite · Roguelike

Gunfire Reborn
Shared: Roguelike · Roguelite · Action

Spelunky
Shared: Platformer · Roguelike · Action

Anomaly Agent
Shared: Platformer · 2D Platformer · Roguelite

Dust: An Elysian Tail
Shared: Action · Platformer · Adventure

The Binding of Isaac
Shared: Roguelike · Action · Adventure

Wizard of Legend
Shared: Roguelike · Action · Dungeon Crawler

Heroes of Hammerwatch II
Shared: Action · Roguelike · Dungeon Crawler

20XX
Shared: Action · Platformer · 2D Platformer

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

UnderMine
Shared: Action · Dungeon Crawler · Adventure

Sonic Origins
Shared: Action · Adventure · Platformer