According to this
Q&A with David Polfeldt from
Massive Entertainment, the
World in Conflict demo is scheduled for an August 20 release. The demo will feature a sneak peek of both single player and multiplayer. The current plan is to not include LAN but to offer skirmish mode. World in Conflict will be available on September 18 in both Standard and Collector’s Edition versions for a suggested retail price of $49.99 and $59.99 respectively.