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Is ARMA 2 (2009) multiplayer or co-op?

Yes — co-op. ARMA 2 is a real-time strategy game released in 2009, 73% positive on Steam (461 reviews), with 14 playing right now. $2.59 on Steam.

Co-opSingle-player tooStrategy · Real-time strategy

Building on 10 years of constant engine development, ARMA II boasts the most realistic combat environment in the world. It models real world ballistics & round…

How ARMA 2 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
Single-player mode
Yes
Controller
Partial controller support

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, Strategy, Simulation

Do you and a friend both own ARMA 2?

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Tired of ARMA 2? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is ARMA 2 co-op?
Yes, ARMA 2 supports co-op.
Does ARMA 2 have PvP?
Steam does not list PvP for ARMA 2.
Do we both need to own ARMA 2 to play together?
Yes. ARMA 2 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 ARMA 2?
About 14 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