Head Tracking no longer a part of Boom Blox

“Head-tracking was something we considered including as an Easter egg in BOOM BLOX however, we did not end up including it in the final version of the game. …”

I know a lot of people were looking forward to the aspects head tracking would bring to the table in Boom Blox. Nonetheless, critics have been giving the game warm impressions, and it seems to be on track in spite of this disappointing news.

Source