This is soundtrack for my future Portal 2 maps "Refresh". You'll need to solve 11 tests what using manipulating and scaling the cubes. Maps for Razer Hydra controller users.
released August 24, 2013
Maps and music by Purple Butterfly
Original photo by Valve
Portal 2 and Hammer Editor by Valve
Sixense MotionPack DLC by Razer and Sixense Studios
Razer Hydra controller by Razer
And music software by Audiotool