Cube 'O' is a Games & Entertainment::Puzzle & Word Games software developed by Big Fish Games. After our trial and test, the software was found to be official, secure and free. Here is the official description for Cube 'O': Relive the biggest puzzle craze of the 1980s with Cube 'O'. This online game puts a twist on the classic Rubik's Cube ®. Use the empty space to maneuver pieces so that each side of the cube is a different color. Move one piece at a time. Rotate the cube using the arrows. Prepare to have your brains and patience tested when you play online. You can't break Cube 'O' apart with a hammer if you get stuck! you can download Cube 'O' free now.