Atari also announced that ArmA: Combat Operations, the latest game developed by Bohemia Interactive, will be launched across the US in May 2007 - the game is being published in Europe under the name ArmA: Armed Assault. In ArmA: Combat Operations, players will be able to engage in the story- driven single-player campaign or take part in huge multiplayer battles with more than 50 players on one battlefield at once. Featuring a vast environment with more than 150 square miles to explore, ArmA: Combat Operations will allow players to pilot or drive more than 30 vehicles, including APCs, tanks, self- propelled anti-aircraft guns, helicopters and fighter planes.