Official Arma 2 Free Trailer

Some of the key features of Arma 2: Free include:

.Free military simulation - An authentic battlefield simulation, including bullet ballistics, material penetration and much more.

.Free armory - A comprehensive range of 300+ weapons, units and fully-usable armed or unarmed vehicles across air, land and water classes.

.Free unique multiplayer - Multiplayer with large-scale maps for 50+ live players and hundreds of AI units. Supports a wide variety of MP modes from co-op and PvP modes, to total mayhem!

.Free dedicated servers - Both Linux and Windows OS dedicated server support for users to host freely wherever and however they like even to play together on the same retail game-servers.

.Free creativity - Quick mission templates, a powerful, built-in, easy to use SP/MP mission editor, and advanced scripting.
Arma 2: Free redefines the free-to-play battlefield with its truly unrivaled scale and gameplay possibilities. Arma 2: Free serves up almost everything offered by the original Arma 2 minus the campaign, HD graphics and support for addons and mods.