Games like Project 1337: The Well
Games like Project 1337: The Well include METRO 2033 Redux, METRO Last Light Redux, Ready or Not, Metro Exodus, and Left 4 Dead 2. We matched them by the tags players give Project 1337: The Well on Steam (Arena Shooter, FPS, Shooter, Arcade, and 3D): closest matches first, and among equally close ones the better-known games.

METRO 2033 Redux
Shared: FPS · Post-apocalyptic · Horror

METRO Last Light Redux
Shared: FPS · Post-apocalyptic · Shooter

Ready or Not
Shared: FPS · Shooter · Horror

Metro Exodus
Shared: FPS · Post-apocalyptic · Horror

Left 4 Dead 2
Shared: FPS · Shooter · Horror

Trepang2
Shared: Shooter · FPS · Horror

F.E.A.R.
Shared: FPS · Horror · Shooter

Call of Duty®
Shared: FPS · Shooter · First-Person

Black Mesa
Shared: FPS · Shooter · First-Person

DOOM
Shared: FPS · Shooter · First-Person

Echo Point Nova
Shared: FPS · Shooter · Arena 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

Half-Life: Alyx
Shared: FPS · Shooter · Horror

SUPERHOT
Shared: FPS · Shooter · First-Person

Half-Life 2
Shared: FPS · Shooter · First-Person

Devil Daggers
Shared: FPS · Arena Shooter · Shooter

BioShock Infinite
Shared: Shooter · FPS · First-Person

Battlefield™ 2042
Shared: FPS · Shooter · First-Person

DOOM Eternal
Shared: FPS · Shooter · First-Person

Counter-Strike: Source
Shared: FPS · Shooter · First-Person

Bodycam
Shared: FPS · Shooter · Horror

THE FINALS
Shared: FPS · Shooter · Arena Shooter

Apex Legends™
Shared: FPS · Shooter · First-Person

Starship Troopers: Extermination
Shared: FPS · First-Person · Action