Games like Soul Device
Games like Soul Device include Dead Cells, Skul: The Hero Slayer, Hollow Knight, Rogue Legacy, and Hollow Knight: Silksong. We matched them by the tags players give Soul Device on Steam (Action Roguelike, Metroidvania, 2D Platformer, Third-Person Shooter, and PvE): closest matches first, and among equally close ones the better-known games.

Dead Cells
Shared: Metroidvania · Action Roguelike · Roguelike

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

Hollow Knight
Shared: Metroidvania · Platformer · 2D

Rogue Legacy
Shared: Action Roguelike · Platformer · Metroidvania

Hollow Knight: Silksong
Shared: Metroidvania · 2D · Platformer

Rogue Legacy 2
Shared: Metroidvania · Platformer · Action

Ori and the Will of the Wisps
Shared: Metroidvania · Platformer · Action

Risk of Rain 2
Shared: Action Roguelike · Third-Person Shooter · Roguelike

Nine Sols
Shared: Metroidvania · Platformer · 2D

Spelunky
Shared: Action Roguelike · Platformer · Roguelike

SANABI
Shared: 2D Platformer · Story Rich · 2D

Dust: An Elysian Tail
Shared: Metroidvania · Platformer · 2D

Anomaly Agent
Shared: Action Roguelike · 2D Platformer · Platformer

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

F.I.S.T.: Forged In Shadow Torch
Shared: Metroidvania · 2D Platformer · Platformer

BlazBlue Entropy Effect
Shared: Action Roguelike · 2D · Platformer

Have a Nice Death
Shared: Action Roguelike · 2D Platformer · 2D

Hades
Shared: Action Roguelike · Roguelike · Indie

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

Crab Champions
Shared: Action Roguelike · Third-Person Shooter · Roguelike

Noita
Shared: Roguelike · Action Roguelike · 2D

Vampire Survivors
Shared: Action Roguelike · 2D · Roguelike

Öoo
Shared: Metroidvania · 2D Platformer · 2D

ScourgeBringer
Shared: Action Roguelike · Metroidvania · Action