Games like CULTIC
Games like CULTIC include DUSK, Warhammer 40,000: Boltgun, HROT, Trepang2, and DOOM. We matched them by the tags players give CULTIC on Steam (Boomer Shooter, FPS, Shooter, Old School, and Action): closest matches first, and among equally close ones the better-known games.

DUSK
Shared: Boomer Shooter · FPS · Shooter

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

HROT
Shared: FPS · Boomer Shooter · Shooter

Trepang2
Shared: Shooter · FPS · Horror

DOOM
Shared: FPS · Shooter · Action

Prodeus
Shared: Boomer Shooter · FPS · Shooter

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

DOOM Eternal
Shared: FPS · Action · Gore

Quake
Shared: FPS · Shooter · Action

DOOM 64
Shared: FPS · Action · Boomer Shooter

Turbo Overkill
Shared: Boomer Shooter · FPS · Shooter

Project Warlock
Shared: Boomer Shooter · FPS · Action

ULTRAKILL
Shared: FPS · Boomer Shooter · Gore

Counter-Strike 2
Shared: FPS · Shooter · Action

Forgive Me Father
Shared: Boomer Shooter · FPS · Shooter

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

Ready or Not
Shared: FPS · Shooter · Horror

Selaco
Shared: FPS · Shooter · Boomer Shooter

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

Call of Duty®
Shared: FPS · Shooter · Action

Ion Fury
Shared: Boomer Shooter · FPS · Shooter

Left 4 Dead 2
Shared: FPS · Shooter · Action

SharpShooter3D
Shared: Boomer Shooter · FPS · Shooter

Nightmare Reaper
Shared: Boomer Shooter · FPS · Shooter

