Games like The Slater
Games like The Slater include Wolfenstein II: The New Colossus, Dishonored, DOOM Eternal, HITMAN World of Assassination, and Dishonored 2. We matched them by the tags players give The Slater on Steam (Action, Violent, Indie, Stealth, and Assassins): closest matches first, and among equally close ones the better-known games.

Wolfenstein II: The New Colossus
Shared: Action · Violent · Gore

Dishonored
Shared: Action · Stealth · Assassins

DOOM Eternal
Shared: Action · Gore · Violent

HITMAN World of Assassination
Shared: Stealth · Action · Assassins

Dishonored 2
Shared: Action · Stealth · Assassins

Trepang2
Shared: Violent · Action · Singleplayer

Call of Duty®
Shared: Action · Singleplayer · Shooter

Hitman: Absolution
Shared: Action · Stealth · Assassins

RoboCop: Rogue City
Shared: Action · First-Person · Singleplayer

BioShock Infinite
Shared: Action · First-Person · Shooter

DEATHLOOP
Shared: Action · Stealth · First-Person

Sword With Sauce
Shared: Action · Stealth · Gore

Dishonored®: Death of the Outsider™
Shared: Action · Stealth · Assassins

Bright Memory: Infinite
Shared: Action · Indie · Singleplayer

Wolfenstein: The New Order
Shared: Action · Gore · Singleplayer

METRO 2033 Redux
Shared: Action · Stealth · First-Person

DOOM
Shared: Action · Gore · Shooter

Metro Exodus
Shared: Action · Singleplayer · First-Person

My Friend Pedro
Shared: Action · Indie · Violent

Mark of the Ninja: Remastered
Shared: Action · Stealth · Indie

Ready or Not
Shared: Shooter · Action · Singleplayer

Resident Evil Village
Shared: Action · First-Person · Singleplayer

Hotline Miami
Shared: Violent · Action · Indie

Wolfenstein: The Old Blood
Shared: Action · Gore · Stealth