Contested Zones are territories fought over and controlled by player guilds and they're active each night from 9:00 p.m. to 12:00 a.m. EST. Guilds can hold the territories as long as they're able, and even non-guilded players can opt to participate by choosing a side and fighting as a mercenary. "Ministry of War redefines the entire notion of a browser game," says Snail Games USA CEO Jason Katz. "It has eight different categories of combat -- everything from arena battles and lair raids to epic large-scale multiplayer battles like Contested Zone Wars and city sieges."
Check out all the latest information, and start playing almost immediately, at the game's official website.
[Update: Snail Games has contacted Massively and asked us to let prospective players know that they'll be flipping the live switch at 6:00 p.m. PST/ 9:00 p.m. EST]