A simple but compelling game. You are pursued by six 'robotships' around the screen: if you manage to shoot them all, on the next screen they become faster and more intelligent - until it's a frantic and intelligent minefield. Accurate firing is essential, as each miss means that you get fewer points for the next robot you hit.
What I like about this game is that you get better and better: the first screens can be got through remarkably quickly, enabling you to reach the hard screens straight away. The graphics are good, and smooth. Sound effects are nicely done. The game loads fast, and the instructions are adequate. Overall, very good.