Click the green flag. Currently you can only use the left and right arrow keys to move the cube.
Just a simple thing I put together in 10 minutes. I'm working on a completely separate project with a completely separate concept - plotting 8 individual points and connecting them giving a more flexible sense of rotation (trig :3). This is just to tide you over until the main one comes out. If the top square lags for you, play it in full screen.
