Games like Serial Cleaner
Games like Serial Cleaner include Hotline Miami, Gunpoint, Mark of the Ninja: Remastered, Party Hard, and CARRION. We matched them by the tags players give Serial Cleaner on Steam (Stealth, Action, Indie, Gore, and 2D): closest matches first, and among equally close ones the better-known games.

Hotline Miami
Shared: Action · Indie · Gore

Gunpoint
Shared: Stealth · Indie · 2D

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

Party Hard
Shared: Stealth · Indie · Action

CARRION
Shared: Gore · Action · Indie

Hotline Miami 2: Wrong Number
Shared: Gore · Action · Indie

Mark of the Ninja
Shared: Stealth · Indie · Action

DEADBOLT
Shared: Stealth · Indie · Action

Grand Theft Auto V Legacy
Shared: Action · Crime · Singleplayer

Crime Scene Cleaner
Shared: Singleplayer · Gore · Crime

Thief Simulator
Shared: Stealth · Singleplayer · Crime

Aragami
Shared: Stealth · Action · Indie

Pikuniku
Shared: Indie · Action · Casual

Ape Out
Shared: Indie · Gore · Action

My Friend Pedro
Shared: Action · Indie · Gore

HITMAN World of Assassination
Shared: Stealth · Action · Singleplayer

BEEP
Shared: Indie · 2D · Action

Thief Simulator 2
Shared: Stealth · Action · Singleplayer

Timberman
Shared: Indie · Action · 2D

Heat Signature
Shared: Stealth · Indie · Action

Hollow Knight: Silksong
Shared: Indie · 2D · Singleplayer

Hitman: Absolution
Shared: Stealth · Action · Singleplayer

People Playground
Shared: Gore · 2D · Singleplayer

Broforce
Shared: Action · 2D · Indie