Games like Backfire
Games like Backfire include Hotline Miami, My Friend Pedro, Hotline Miami 2: Wrong Number, CARRION, and Paint the Town Red. We matched them by the tags players give Backfire on Steam (Action, Indie, Violent, and Gore): closest matches first, and among equally close ones the better-known games.

Hotline Miami
Shared: Action · Violent · Indie

My Friend Pedro
Shared: Action · Indie · Gore

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

CARRION
Shared: Gore · Action · Indie

Paint the Town Red
Shared: Action · Violent · Gore

Chivalry: Medieval Warfare
Shared: Action · Gore · Violent

DOOM Eternal
Shared: Action · Gore · Violent

GORN
Shared: Action · Gore · Violent

Serious Sam Fusion 2017 (beta)
Shared: Action · Gore · Violent

People Playground
Shared: Gore · Violent · Indie

Ape Out
Shared: Violent · Indie · Gore

RUINER
Shared: Action · Indie · Violent

Bright Memory: Infinite
Shared: Action · Indie · Gore

Blasphemous
Shared: Gore · Violent · Indie

Mortal Kombat 11
Shared: Gore · Action · Violent

Maximum Action
Shared: Action · Gore · Violent

DOKA 2 KISHKI EDITION
Shared: Violent · Action · Gore

171
Shared: Action · Indie · Gore

Mother Russia Bleeds
Shared: Action · Violent · Gore

Serious Sam 4
Shared: Action · Gore · Violent

Iron Snout
Shared: Action · Gore · Indie

Mortal Kombat X
Shared: Action · Gore · Violent

Party Hard
Shared: Violent · Indie · Action

Akane
Shared: Indie · Action · Gore