When it was announced that beta invites would be available for Halo 3 starting this month, the excitement which came as a result was inevitable, with fans wanting to get a chance to play as master chief before official release. However, the announcement also came with the understanding that invitations would be in limited supply. An advert for crackdown appearing in the latest issue of Gamepro, suggests another way of getting an invite; buy Crackdown for the Xbox 360, which according to the advert comes with a free invite. The offer does say that it is for a limited time only.