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Is Day of Defeat multiplayer or co-op?

Yes — co-op and PvP. Day of Defeat is a competitive shooter game released in 2003, 90% positive on Steam (7,102 reviews), with 87 playing right now. $4.99 on Steam.

Online multiplayerShooter · Competitive shooter

Enlist in an intense brand of Axis vs. Allied teamplay set in the WWII European Theatre of Operations. Players assume the role of light/assault/heavy infantry,…

Steam tags: FPS, World War II, Multiplayer, Shooter, Action, War, Team-Based, Classic

Do you and a friend both own Day of Defeat?

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

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Battlefield: Bad Company™ 2
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Krunker
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Tired of Day of Defeat? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Day of Defeat co-op?
Steam's store page doesn't flag a co-op category, but players tag Day of Defeat as co-op.
Does Day of Defeat have PvP?
Steam's store page doesn't flag a PvP category, but Day of Defeat is tagged Team-Based — it's player-versus-player.
How many people play Day of Defeat?
About 87 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.