Games like Bullet Runner: The First Slaughter
Games like Bullet Runner: The First Slaughter include DOOM Eternal, Hotline Miami 2: Wrong Number, Chippy, RUINER, and The Hong Kong Massacre. We matched them by the tags players give Bullet Runner: The First Slaughter on Steam (Twin Stick Shooter, Arena Shooter, Bullet Hell, Shoot 'Em Up, and Difficult): closest matches first, and among equally close ones the better-known games.

DOOM Eternal
Shared: Action · Gore · Violent

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

Chippy
Shared: Twin Stick Shooter · Bullet Hell · Arena Shooter

RUINER
Shared: Action · Twin Stick Shooter · Top-Down Shooter

The Hong Kong Massacre
Shared: Action · Twin Stick Shooter · Gore

ULTRAKILL
Shared: Arena Shooter · Gore · Fast-Paced

Hotline Miami
Shared: Action · Violent · Gore

Enter the Gungeon
Shared: Bullet Hell · Difficult · Twin Stick Shooter

Furi
Shared: Bullet Hell · Difficult · Shoot 'Em Up

Serious Sam 4
Shared: Action · Gore · Violent

Titan Attacks!
Shared: Arena Shooter · Bullet Hell · Twin Stick Shooter

Voidigo
Shared: Twin Stick Shooter · Bullet Hell · Shoot 'Em Up

DOOM
Shared: Action · Gore · Shooter

Relic Hunters Zero: Remix
Shared: Twin Stick Shooter · Action · Top-Down Shooter

Greedland
Shared: Twin Stick Shooter · Shoot 'Em Up · Bullet Hell

Ghostrunner
Shared: Action · Difficult · Fast-Paced

Assault Android Cactus+
Shared: Twin Stick Shooter · Bullet Hell · Shoot 'Em Up

Nex Machina
Shared: Twin Stick Shooter · Bullet Hell · Action

State of Anarchy: Master of Mayhem
Shared: Twin Stick Shooter · Bullet Hell · Action

Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Difficult

Dead Estate
Shared: Twin Stick Shooter · Bullet Hell · Difficult

Sektori
Shared: Twin Stick Shooter · Shoot 'Em Up · Arena Shooter

Time Wasters
Shared: Twin Stick Shooter · Bullet Hell · Arena Shooter

Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Arena Shooter