Games like Decian
Games like Decian include HELLDIVERS™ 2, GoreBox, Prodeus, CULTIC, and My Friend Pedro. We matched them by the tags players give Decian on Steam (Action, Shooter, Boomer Shooter, 3D, and Survival Horror): closest matches first, and among equally close ones the better-known games.
HELLDIVERS™ 2
Shared: Shooter · Action · PvE
GoreBox
Shared: Shooter · Gore · Violent
Prodeus
Shared: Boomer Shooter · Action · Shooter
CULTIC
Shared: Boomer Shooter · Shooter · Action
My Friend Pedro
Shared: Action · Shooter · Gore
Left 4 Dead 2
Shared: Shooter · Action · Co-op
Serious Sam 4
Shared: Action · Shooter · Gore
DOOM Eternal
Shared: Action · Gore · Shooter
Blood and Bacon
Shared: Shooter · Action · Gore
EARTH DEFENSE FORCE 6
Shared: Action · Shooter · 3D
Trepang2
Shared: Shooter · Action · Gore
Forgive Me Father
Shared: Boomer Shooter · Action · Shooter
Turbo Overkill
Shared: Action · Boomer Shooter · Shooter
Back 4 Blood
Shared: Shooter · Action · Gore
Dead by Daylight
Shared: Survival Horror · Gore · Violent
How to Fish
Shared: Shooter · Indie · Action
Hotline Miami
Shared: Action · Violent · Indie
Warhammer 40,000: Boltgun
Shared: Boomer Shooter · Shooter · Action
Killing Floor 3
Shared: Shooter · PvE · Action
MADNESS: Project Nexus
Shared: Shooter · Gore · Action
OPERATOR
Shared: Shooter · Action · PvE
Serious Sam Fusion 2017 (beta)
Shared: Action · Gore · Violent
DOOM
Shared: Action · Shooter · Gore
World War Z
Shared: Action · Shooter · PvE