Gliding Cube™, Gliding Tile Cube™, and Sliding Tile Cube™ are trademarks of GlidingCube.com.  GlidingCube.COM is the sole copyright owner of Gliding Cube™ simulation software.  Our software is licensed to the user who has paid for the program. The license is not transferable to another individual or entity. The Re-Register feature cannot be used by unregistered individuals or entities.