Telltale Games' video game adaptation of Game of Thrones is still on track to premiere later this year. Despite a lack of information for the game, the studio's PR manager Laura Perusco confirmed the release window on Twitter.
@RatedR2012 No specific release date announced yet, but I can confirm that the season IS premiering later this year. 🙂
— Laura Perusco (@lauraperusco) October 24, 2014
Perusco warned fans not to believe everything they read on wikis regarding the game, but did confirm that a Q4 release is planned. Telltale Games tends to have very short lead time between when they announce a release date and the game actually releases, so even though we're almost in November, there's no reason to panic.
Telltale has been tight-lipped regarding their new series, only releasing bits of quotes from various books in the A Song of Ice and Fire series. Aside from it not being a prequel, not much is known about the video game adaptaion. We do know, however, that series creator George R.R. Martin's personal assistant is helping consult with the story.