Games like Hard as Hell
Games like Hard as Hell include Warhammer 40,000: Boltgun, Counter-Strike 2, Half-Life, Counter-Strike, and DOOM + DOOM II. We matched them by the tags players give Hard as Hell on Steam (FPS, Shoot 'Em Up, 1990's, Boomer Shooter, and Tower Defense): closest matches first, and among equally close ones the better-known games.
Warhammer 40,000: Boltgun
Shared: FPS · Boomer Shooter · Pixel Graphics
Counter-Strike 2
Shared: FPS · Shooter · First-Person
Half-Life
Shared: FPS · 1990's · First-Person
Counter-Strike
Shared: FPS · 1990's · First-Person
DOOM + DOOM II
Shared: FPS · 1990's · Boomer Shooter
DUSK
Shared: FPS · Boomer Shooter · First-Person
Selaco
Shared: FPS · Boomer Shooter · First-Person
Prodeus
Shared: FPS · Boomer Shooter · First-Person
Bloodshed
Shared: FPS · Boomer Shooter · Shoot 'Em Up
POSTAL: Brain Damaged
Shared: Boomer Shooter · Pixel Graphics · Shoot 'Em Up
SharpShooter3D
Shared: FPS · Boomer Shooter · 1990's
DOOM 64
Shared: FPS · 1990's · Boomer Shooter
Ion Fury
Shared: FPS · Boomer Shooter · First-Person
PUBG: BATTLEGROUNDS
Shared: FPS · Shooter · First-Person
Far Cry® 5
Shared: FPS · Exploration · First-Person
Quake II
Shared: FPS · Boomer Shooter · 1990's
Quake
Shared: FPS · 1990's · First-Person
CULTIC
Shared: FPS · Boomer Shooter · First-Person
Turbo Overkill
Shared: FPS · Boomer Shooter · Pixel Graphics
Duke Nukem 3D: 20th Anniversary World Tour
Shared: FPS · 1990's · First-Person
BioShock Infinite
Shared: FPS · First-Person · Shooter
Far Cry® 6
Shared: FPS · Exploration · First-Person
Project Warlock
Shared: FPS · Boomer Shooter · Pixel Graphics
Half-Life: Opposing Force
Shared: FPS · 1990's · First-Person