Games like NBF0
Games like NBF0 include Half-Life 2, Black Mesa, BioShock Infinite, KovaaK's, and Titanfall® 2. We matched them by the tags players give NBF0 on Steam (Action, Shooter, FPS, First-Person, and Sci-fi): closest matches first, and among equally close ones the better-known games.

Half-Life 2
Shared: Action · FPS · Sci-fi

Black Mesa
Shared: Action · FPS · First-Person

BioShock Infinite
Shared: Action · Shooter · FPS

KovaaK's
Shared: Action · Shooter · FPS

Titanfall® 2
Shared: FPS · Shooter · Action

Call of Duty®
Shared: FPS · Shooter · Action

Halo Infinite
Shared: FPS · Shooter · Action

DOOM
Shared: Action · FPS · Shooter

Bright Memory: Infinite
Shared: Action · FPS · Shooter

Call of Duty®: Black Ops III
Shared: FPS · Shooter · Action

Half-Life
Shared: FPS · Sci-fi · Shooter

Aimlabs
Shared: FPS · Shooter · Action

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Sci-fi

Half-Life: Opposing Force
Shared: Action · FPS · Shooter

RoboCop: Rogue City
Shared: Action · FPS · First-Person

SUPERHOT
Shared: Action · FPS · Shooter

Apex Legends™
Shared: FPS · Shooter · Action

Battlefield™ 2042
Shared: FPS · Shooter · Action

DOOM Eternal
Shared: Action · FPS · Shooter

Half-Life: Blue Shift
Shared: Action · FPS · Shooter

Bright Memory
Shared: FPS · Shooter · Action

Call of Duty®: Modern Warfare® 2 (2009)
Shared: Action · FPS · Shooter

Call of Duty®: Black Ops II
Shared: Action · FPS · Shooter

Wolfenstein: The New Order
Shared: Action · FPS · Shooter