Games like Retchid
Games like Retchid include Black Mesa, Half-Life 2, DOOM, BioShock Infinite, and S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition. We matched them by the tags players give Retchid on Steam (Exploration, FPS, Shoot 'Em Up, Puzzle, and Shooter): closest matches first, and among equally close ones the better-known games.
Black Mesa
Shared: FPS · Shooter · First-Person
Half-Life 2
Shared: FPS · Shooter · Action
DOOM
Shared: FPS · Shooter · Action
BioShock Infinite
Shared: FPS · Shooter · First-Person
S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: FPS · Exploration · Shooter
Ready or Not
Shared: FPS · Shooter · Horror
Metro Exodus
Shared: FPS · Horror · First-Person
Fallout 4
Shared: Exploration · Shooter · FPS
Deep Rock Galactic
Shared: FPS · Exploration · Shooter
Half-Life: Alyx
Shared: FPS · Shooter · Horror
Call of Duty®
Shared: FPS · Shooter · First-Person
Titanfall® 2
Shared: FPS · Shooter · First-Person
Atomic Heart
Shared: FPS · Puzzle · Action
METRO 2033 Redux
Shared: FPS · Horror · Shooter
METRO Last Light Redux
Shared: FPS · Horror · Shooter
Trepang2
Shared: FPS · Shooter · Horror
BioShock™
Shared: FPS · Horror · Shooter
DOOM Eternal
Shared: FPS · Shooter · Action
Project Silverfish
Shared: FPS · Exploration · Shooter
BioShock™ Remastered
Shared: FPS · Horror · First-Person
Metal Garden
Shared: FPS · Exploration · Sci-fi
Echo Point Nova
Shared: FPS · Exploration · Shooter
SUPERHOT
Shared: FPS · Action · Shooter
Left 4 Dead 2
Shared: FPS · Shooter · Horror