Games like Breath
Games like Breath include Hades II, ELDEN RING NIGHTREIGN, Hades, CloverPit, and Inscryption. We matched them by the tags players give Breath on Steam (Solitaire, Dark, Atmospheric, Action, and Roguelike): closest matches first, and among equally close ones the better-known games.

Hades II
Shared: Action · Roguelike · Roguelite

ELDEN RING NIGHTREIGN
Shared: Roguelike · Action · Roguelite

Hades
Shared: Roguelite · Action · Roguelike

CloverPit
Shared: Roguelike · Roguelite · Strategy

Inscryption
Shared: Dark · Roguelike · Roguelite

Black Myth: Wukong
Shared: Action · Combat · Atmospheric

Hellblade: Senua's Sacrifice
Shared: Atmospheric · Dark · Action

Darkest Dungeon®
Shared: Roguelike · Atmospheric · Dark

Buckshot Roulette
Shared: Dark · Strategy · Action

The Binding of Isaac
Shared: Roguelike · Dark · Action

Megabonk
Shared: Roguelike · Roguelite · Action

DARK SOULS™: REMASTERED
Shared: Dark · Action · Atmospheric

Lies of P
Shared: Action · Dark · Atmospheric

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

Batman™: Arkham Knight
Shared: Action · Atmospheric · Third Person

Dome Keeper
Shared: Action · Roguelike · Atmospheric

Total War: WARHAMMER III
Shared: Strategy · Action · Grand Strategy

DARK SOULS™ II: Scholar of the First Sin
Shared: Action · Atmospheric · Third Person

Halls of Torment
Shared: Roguelite · Roguelike · Action

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

Risk of Rain 2
Shared: Roguelike · Action · Roguelite

Othercide
Shared: Strategy · Dark · Roguelite

God of War
Shared: Action · Combat · Third Person

Ravenswatch
Shared: Roguelike · Action · Roguelite