Games like Project Warlock
Games like Project Warlock include Warhammer 40,000: Boltgun, ULTRAKILL, DUSK, DOOM Eternal, and DOOM. We matched them by the tags players give Project Warlock on Steam (Boomer Shooter, FPS, Retro, Gore, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.
Warhammer 40,000: Boltgun
Shared: Boomer Shooter · FPS · Retro
ULTRAKILL
Shared: FPS · Boomer Shooter · Gore
DUSK
Shared: Boomer Shooter · FPS · Retro
DOOM Eternal
Shared: FPS · Gore · Action
DOOM
Shared: FPS · Gore · Action
CULTIC
Shared: Boomer Shooter · FPS · Action
DOOM + DOOM II
Shared: FPS · Retro · Boomer Shooter
Prodeus
Shared: Boomer Shooter · FPS · Retro
Turbo Overkill
Shared: Boomer Shooter · FPS · Retro
HROT
Shared: FPS · Boomer Shooter · Retro
DOOM 64
Shared: FPS · Action · Retro
Ion Fury
Shared: Boomer Shooter · FPS · Retro
Quake
Shared: FPS · Action · Gore
DOOM: The Dark Ages
Shared: FPS · Action · Gore
Selaco
Shared: FPS · Boomer Shooter · Retro
Trepang2
Shared: FPS · Gore · Singleplayer
WRATH: Aeon of Ruin
Shared: Boomer Shooter · FPS · Retro
Quake II
Shared: FPS · Boomer Shooter · Action
Hotline Miami 2: Wrong Number
Shared: Gore · Pixel Graphics · Action
Devil Daggers
Shared: FPS · Retro · Action
MOUSE: P.I. For Hire
Shared: FPS · Boomer Shooter · Action
BioShock Infinite
Shared: FPS · Action · Singleplayer
Maximum Action
Shared: FPS · Gore · Retro
Hotline Miami
Shared: Action · Pixel Graphics · Gore