Games like Warhammer 40,000: Boltgun
Games like Warhammer 40,000: Boltgun include DUSK, DOOM + DOOM II, CULTIC, Prodeus, and DOOM 64. We matched them by the tags players give Warhammer 40,000: Boltgun on Steam (Boomer Shooter, FPS, Retro, Pixel Graphics, and Shooter): closest matches first, and among equally close ones the better-known games.

DUSK
Shared: Boomer Shooter · FPS · Retro

DOOM + DOOM II
Shared: FPS · Retro · Boomer Shooter

CULTIC
Shared: Boomer Shooter · FPS · Shooter

Prodeus
Shared: Boomer Shooter · FPS · Retro

DOOM 64
Shared: FPS · Action · Retro

Turbo Overkill
Shared: Boomer Shooter · FPS · Shooter

HROT
Shared: FPS · Boomer Shooter · Retro

Project Warlock
Shared: Boomer Shooter · FPS · Retro

DOOM Eternal
Shared: FPS · Action · Gore

ULTRAKILL
Shared: FPS · Boomer Shooter · Gore

Quake
Shared: FPS · Shooter · Action

DOOM
Shared: FPS · Shooter · Action

Ion Fury
Shared: Boomer Shooter · FPS · Retro

Selaco
Shared: FPS · Boomer Shooter · Shooter

Quake II
Shared: FPS · Boomer Shooter · Action

Half-Life
Shared: FPS · Shooter · Action

WRATH: Aeon of Ruin
Shared: Boomer Shooter · FPS · Retro

Call of Duty®
Shared: FPS · Shooter · Action

BioShock Infinite
Shared: FPS · Shooter · Action

Wolfenstein 3D
Shared: FPS · Retro · Action

MOUSE: P.I. For Hire
Shared: FPS · Boomer Shooter · Action

Trepang2
Shared: FPS · Shooter · Action

The Citadel
Shared: FPS · Retro · Old School

Warhammer 40,000: Boltgun 2
Shared: FPS · Boomer Shooter · Retro