Games like CTHON
Games like CTHON include Warhammer 40,000: Boltgun, DOOM, DOOM Eternal, CULTIC, and DUSK. We matched them by the tags players give CTHON on Steam (Action, Action Roguelike, Shooter, FPS, and Lovecraftian): closest matches first, and among equally close ones the better-known games.
Warhammer 40,000: Boltgun
Shared: FPS · Action · Shooter
DOOM
Shared: Action · FPS · Shooter
DOOM Eternal
Shared: Action · FPS · Shooter
CULTIC
Shared: Shooter · FPS · Action
DUSK
Shared: FPS · Shooter · Retro
DOOM 64
Shared: Action · FPS · Shooter
Prodeus
Shared: FPS · Action · Shooter
Call of Duty®
Shared: FPS · Shooter · Action
Turbo Overkill
Shared: Action · FPS · Shooter
STRAFE: Gold Edition
Shared: Action · Shooter · FPS
BioShock Infinite
Shared: Action · Shooter · FPS
Forgive Me Father
Shared: Action · FPS · Shooter
Half-Life 2
Shared: Action · FPS · Shooter
Black Mesa
Shared: Action · FPS · Shooter
Left 4 Dead 2
Shared: FPS · Shooter · Action
Selaco
Shared: Shooter · FPS · Action
Trepang2
Shared: Shooter · FPS · Action
HROT
Shared: FPS · Shooter · Action
Post Void
Shared: FPS · Action Roguelike · Shooter
Apex Legends™
Shared: FPS · Shooter · Action
Wolfenstein II: The New Colossus
Shared: Action · FPS · Shooter
DOOM + DOOM II
Shared: Action · FPS · Retro
Titanfall® 2
Shared: FPS · Shooter · Action
RoboCop: Rogue City
Shared: Action · FPS · Shooter