Games like Shillelagh
Games like Shillelagh include DOOM, Devil Daggers, ULTRAKILL, Ready or Not, and Left 4 Dead 2. We matched them by the tags players give Shillelagh on Steam (Arena Shooter, FPS, Difficult, Shooter, and 2.5D): closest matches first, and among equally close ones the better-known games.
DOOM
Shared: FPS · Shooter · Action
Devil Daggers
Shared: FPS · Difficult · Arena Shooter
ULTRAKILL
Shared: FPS · Arena Shooter · Difficult
Ready or Not
Shared: FPS · Shooter · Horror
Left 4 Dead 2
Shared: FPS · Shooter · Action
Call of Duty®
Shared: FPS · Shooter · First-Person
Counter-Strike: Source
Shared: FPS · Shooter · Action
DOOM Eternal
Shared: FPS · Shooter · Action
GTFO
Shared: FPS · Difficult · Horror
Post Void
Shared: FPS · Difficult · Shooter
Battlefield™ 2042
Shared: FPS · Shooter · First-Person
Echo Point Nova
Shared: FPS · Shooter · Arena Shooter
Trepang2
Shared: FPS · Shooter · Horror
THE FINALS
Shared: FPS · Shooter · Arena Shooter
PUBG: BATTLEGROUNDS
Shared: Shooter · FPS · Action
Black Mesa
Shared: FPS · Shooter · First-Person
Titanfall® 2
Shared: FPS · Shooter · First-Person
KILLBUG
Shared: Arena Shooter · FPS · Difficult
BioShock Infinite
Shared: FPS · Shooter · First-Person
METRO Last Light Redux
Shared: FPS · Shooter · Action
Half-Life 2
Shared: FPS · Shooter · Action
Half-Life: Alyx
Shared: FPS · Shooter · Horror
METRO 2033 Redux
Shared: FPS · Horror · Shooter
BRAZILIAN DRUG DEALER 3: I OPENED A PORTAL TO HELL IN THE FAVELA TRYING TO REVIVE MIT AIA I NEED TO CLOSE IT
Shared: FPS · Arena Shooter · Shooter