Games like SiN Gold (1998)
Games like SiN Gold (1998) include DOOM, Call of Duty®, DOOM Eternal, Half-Life, and Quake. We matched them by the tags players give SiN Gold (1998) on Steam (Action, FPS, Shooter, Violent, and First-Person): closest matches first, and among equally close ones the better-known games.

DOOM
Shared: FPS · Action · Shooter

Call of Duty®
Shared: FPS · Shooter · Action

DOOM Eternal
Shared: FPS · Action · Violent

Half-Life
Shared: FPS · Action · Shooter

Quake
Shared: FPS · Action · Shooter

Ready or Not
Shared: FPS · Shooter · Singleplayer

Half-Life 2
Shared: Action · FPS · Shooter

Black Mesa
Shared: FPS · Action · First-Person

DOOM 64
Shared: Action · FPS · Shooter

DOOM + DOOM II
Shared: FPS · Action · Shooter

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

Left 4 Dead 2
Shared: FPS · Shooter · Action

Counter-Strike
Shared: Action · FPS · Shooter

Battlefield™ 1
Shared: FPS · Action · Shooter

Titanfall® 2
Shared: FPS · Shooter · Action

Halo: The Master Chief Collection
Shared: FPS · Multiplayer · First-Person

Quake II
Shared: FPS · Action · Shooter

Battlefield™ 2042
Shared: FPS · Shooter · Action

Trepang2
Shared: Shooter · FPS · Singleplayer

Halo Infinite
Shared: FPS · Action · Shooter

Battlefield 4™
Shared: FPS · Shooter · Action

Call of Duty®: Modern Warfare®
Shared: FPS · Action · Singleplayer

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