Eurogamer has a video developer diary from CD Projekt RED on the recently revealed version 2.0 update for The Witcher 2: Assassins of Kings. The clip goes into a little detail on the Dark Mode this will introduce, shows off some gameplay from the new version, and promises a prize for the first player to complete the game in the new Dark Mode difficulty level. The clip concludes saying this will be an automatic update on September 29 for the Windows edition of the action/RPG sequel.