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Is Counter-Strike: Source multiplayer or co-op?

Yes — PvP. Counter-Strike: Source is a competitive shooter game released in 2004, 96% positive on Steam (182,234 reviews), with 6,187 playing right now. $9.99 on Steam.

Online multiplayerShooter · Competitive shooter

Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology.

Steam tags: Shooter, FPS, Action, Multiplayer, Team-Based, First-Person, Competitive, Tactical

Do you and a friend both own Counter-Strike: Source?

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

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Games like Counter-Strike: Source you can play together

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Krunker
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Day of Defeat
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Tired of Counter-Strike: Source? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Counter-Strike: Source co-op?
Counter-Strike: Source does not list co-op on Steam; it has Online multiplayer.
Does Counter-Strike: Source have PvP?
Steam's store page doesn't flag a PvP category, but Counter-Strike: Source is tagged Competitive, PvP, Team-Based, e-sports — it's player-versus-player.
How many people play Counter-Strike: Source?
About 6,187 players were in-game when this page was built (2026-09-08).

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; updated 2026-09-08. Powered by Steam — not affiliated with or endorsed by Valve Corporation.