Producer: J K Greye, 16K £5.95
This is very similar to 3D Tunnel, except that the tunnel (or vortex) is defined in multitudes of coloured dots rather than solid blocks, which gives more of a tunnel-like feel. The tunnel also twists and squirms like a mad thing so it's quite a trick to stay safely in the centre of it. On the other hand, the 3D animation of the objects isn't quite so good and there are no skill levels which means it quickly loses interest. There is a long but very amusing intro in the 2-part load. User-defined control keys, so it works with almost any joystick. Good value but limited playability.