Every pre-ordered and specially marked copy of Crackdown included an invitation to the beta test of the highly anticipated Halo 3. The Crackdown game disc was required to download and launch the Halo 3 beta through the in-game menus [REF].
The May 2007 title update and downloadable content were linked to a glitch which reset a number of players' saved games when they played the game's co-operative mode.