Ready Up — what game do we play?Compare two Steam libraries →
Multiplayer games › Shooter › Sci-fi shooter

Is Half-Life Deathmatch: Source multiplayer or co-op?

Yes — PvP. Half-Life Deathmatch: Source is a sci-fi shooter game released in 2006, 75% positive on Steam (4,899 reviews), with 43 playing right now. $9.99 on Steam.

Online multiplayerShooter · Sci-fi shooter

Half-Life Deathmatch: Source is a recreation of the first multiplayer game set in the Half-Life universe. Features all the classic weapons and most-played…

How Half-Life Deathmatch: Source plays with friends, according to Steam

Online co-op
Not listed on Steam
Local / split-screen co-op
Not listed on Steam
Online PvP
Not listed on Steam
LAN play
Not listed on Steam

Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.

Steam tags: Action, FPS, Multiplayer, Shooter, Sci-fi, First-Person, Classic, Remake

Do you and a friend both own Half-Life Deathmatch: Source?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Half-Life Deathmatch: Source is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Do you and a friend both own Half-Life Deathmatch: Source?Free, no login — uses public Steam profiles.

Or open the Steam store page.

Games like Half-Life Deathmatch: Source you can play together

STAR WARS™ Battlefront™ II
Sci-fi shooter · 88% positive on Steam (71,208 reviews) · 9,213 playing right now
Halo: The Master Chief Collection
Sci-fi shooter · 92% positive on Steam (242,067 reviews) · 3,362 playing right now
Halo Infinite
Sci-fi shooter · 70% positive on Steam (177,041 reviews) · 2,275 playing right now
Half-Life 2
Sci-fi shooter · 98% positive on Steam (245,627 reviews) · 1,555 playing right now
Black Mesa
Sci-fi shooter · 95% positive on Steam (127,693 reviews) · 907 playing right now
Half-Life
Sci-fi shooter · 97% positive on Steam (148,221 reviews) · 634 playing right now

Tired of Half-Life Deathmatch: Source? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Half-Life Deathmatch: Source co-op?
Half-Life Deathmatch: Source does not list co-op on Steam; it has Online multiplayer.
Does Half-Life Deathmatch: Source have PvP?
Steam's store page doesn't flag a PvP category, but Half-Life Deathmatch: Source is tagged Competitive — it's player-versus-player.
Do we both need to own Half-Life Deathmatch: Source to play together?
Yes. Half-Life Deathmatch: Source is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.
How many people play Half-Life Deathmatch: Source?
About 43 players were in-game when this page's data was last refreshed (2026-09-09).

Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass