Portal 2: Sixense MotionPack
Description
Portal 2 Sixense MotionPack DLC is a level pack for Portal 2 that can be played only with the Razer Hydra PC Gaming Motion Sensing Controllers. It features over 10 new motion-exclusive maps that can only be solved with true six degree-of-freedom controllers. It is given to players who have bought the Razer Hydra Motion Controller and can't be purchased separately.