An expanded screen with double height characters making up a colourful title page showing all the aliens and fuel dumps. The game is very playable and makes good use of multicolour graphics, although this makes the display a little chunky. This game is the best replica of the arcade game that I have ever seen. There are six sectors through which you have to guide your rocket ship without the chance to turn around or back out of your mission.

The sectors include rocket attack, cavern, fire balls, city, maze, and finally the nerve centre of the defence that you have to destroy before you run out of fuel. Joystick only, on cassette, and needs a 16K expansion.