Is Call of Duty: United Offensive co-op?

Call of Duty: United Offensive does not list co-op on Steam; it has Online multiplayer, Single-player too.

Does Call of Duty: United Offensive have PvP?

Steam does not list PvP for Call of Duty: United Offensive.

How many people play Call of Duty: United Offensive?

About 17 players were in-game when this page was built (2026-09-09).

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Multiplayer games › Shooter › Military shooter

Is Call of Duty: United Offensive multiplayer or co-op?

Yes — online multiplayer. Call of Duty: United Offensive is a military shooter game released in 2006, 87% positive on Steam (2,153 reviews), with 17 playing right now. $14.99 on Steam.

Online multiplayerSingle-player tooShooter · Military shooter

Award-winning developer Gray Matter Interactive follows up on the success of Infinity Ward's Call of Duty™ - winner of over 80 Game of the Year and 50 Editors'…

Steam tags: Action, World War II, FPS, Singleplayer, Multiplayer, Shooter, Military, Classic

Do you and a friend both own Call of Duty: United Offensive?

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

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Tired of Call of Duty: United Offensive? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Call of Duty: United Offensive co-op?: Call of Duty: United Offensive does not list co-op on Steam; it has Online multiplayer, Single-player too.
Does Call of Duty: United Offensive have PvP?: Steam does not list PvP for Call of Duty: United Offensive.
How many people play Call of Duty: United Offensive?: About 17 players were in-game when this page was built (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; updated 2026-09-09. Powered by Steam — not affiliated with or endorsed by Valve Corporation.