Aztech New Media will bring the first authorized expansion pack for Microsoft's strategy/arcade title, Urban Assault. The add-on, Metropolis Down, includes new units, new weaponry, a new campaign, multiplayer maps, and the option to direct either side's armies.
This is the second agreement Aztech has had with Microsoft. Its other two agreements were for expansion packs for Microsoft's Age of Empires
Metropolis Down is scheduled for release during the first quarter of 1999.