The multiplayer demo features the whole of the Kingdom of South Sahrani map, and demo missions include a cooperative mission to seize an enemy held town, capture the flag for two teams and a battle of two armies over the whole Kingdom of Southern Sahrani for up to 60 players.

The demo is 850MB and you can find a list of download mirrors along with system requirements on the game's official website.

ArmA: Armed Assault is scheduled for release for PC on February 16.