Games like Half-Life 2: Deathmatch
Games like Half-Life 2: Deathmatch include Apex Legends™, Halo Infinite, PUBG: BATTLEGROUNDS, Call of Duty®, and Left 4 Dead 2. We matched them by the tags players give Half-Life 2: Deathmatch on Steam (Action, FPS, Multiplayer, Shooter, and First-Person): closest matches first, and among equally close ones the better-known games.

Apex Legends™
Shared: Multiplayer · FPS · Shooter

Halo Infinite
Shared: FPS · Multiplayer · Action

PUBG: BATTLEGROUNDS
Shared: Shooter · Multiplayer · FPS

Call of Duty®
Shared: FPS · Multiplayer · Action

Left 4 Dead 2
Shared: FPS · Multiplayer · Action

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

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

Counter-Strike
Shared: Action · FPS · Multiplayer

Halo: The Master Chief Collection
Shared: FPS · Multiplayer · Sci-fi

Titanfall® 2
Shared: FPS · Multiplayer · Shooter

Garry's Mod
Shared: Multiplayer · Physics · FPS

Battlefield™ 2042
Shared: FPS · Multiplayer · Shooter

THE FINALS
Shared: FPS · Multiplayer · Shooter

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

Borderlands 2
Shared: Action · Shooter · Multiplayer

Grand Theft Auto V Legacy
Shared: Action · Multiplayer · First-Person

Black Mesa
Shared: FPS · Action · First-Person

DOOM
Shared: FPS · Action · Shooter

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Multiplayer · Shooter

Battlefield™ 1
Shared: FPS · Multiplayer · Action

PAYDAY 2
Shared: Action · FPS · Multiplayer

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

DOOM Eternal
Shared: FPS · Action · Shooter

Paladins®
Shared: Multiplayer · FPS · Action