At the end of November, Virtual Air Guitar revealed another entry into their "For Kinect" series for the Xbox One — Boom Ball 2 for Kinect , the follow-up to 2014's Boom Ball for Kinect . The developers aren't wasting any time getting the game out before the holiday season and have announced the release date and price. There's also a fresh batch of screens to show off the many different levels.will be available on December 21st for US$9.99 / €9.99 / £7.99.We've got the full list of Boom Ball 2 for Kinect achievements - check the list for guides to unlocking them.