Games like Barrel Boot Camp
Games like Barrel Boot Camp include Counter-Strike 2, KovaaK's, Aimlabs, Counter-Strike: Source, and Tom Clancy's Rainbow Six Siege. We matched them by the tags players give Barrel Boot Camp on Steam (Action, Indie, Casual, FPS, and Shooter): closest matches first, and among equally close ones the better-known games.

Counter-Strike 2
Shared: FPS · Action · Shooter

KovaaK's
Shared: Action · Indie · Shooter

Aimlabs
Shared: FPS · Action · Shooter

Counter-Strike: Source
Shared: Action · FPS · Shooter

Tom Clancy's Rainbow Six Siege
Shared: FPS · Shooter · Action

SUPERHOT
Shared: Action · FPS · Indie

Counter-Strike
Shared: Action · FPS · Shooter

PUBG: BATTLEGROUNDS
Shared: Shooter · FPS · Action

Team Fortress 2
Shared: Action · FPS · Shooter

Dead Bits
Shared: Action · Indie · Casual

DOOM
Shared: Action · FPS · Shooter

VLADiK BRUTAL
Shared: Action · FPS · Shooter

Call of Duty®
Shared: FPS · Action · Shooter

Bright Memory: Infinite
Shared: Action · Indie · FPS

BioShock Infinite
Shared: Action · Shooter · FPS

Black Mesa
Shared: Action · FPS · First-Person

Halo Infinite
Shared: FPS · Action · Shooter

Paladins®
Shared: Action · FPS · Shooter

Call of Duty®: Modern Warfare® 3 (2011)
Shared: Action · FPS · Shooter

Devil Daggers
Shared: Indie · FPS · Action

Insurgency
Shared: FPS · Action · Shooter

THE FINALS
Shared: FPS · Shooter · Action

Apex Legends™
Shared: FPS · Action · Shooter

How to Fish
Shared: Indie · Shooter · First-Person