Quad is the classic strategy game that you may not have heard of. Designed by G. Keith Still in 1979, his goal then was to develop a quick to play but complex game with fewer rules than 'Go.' Ewan Spence's goal now is to bring you this unusual yet highly compelling strategy game to your palmtop.

The aim of Quad is simple. You have to make the four corners of a perfect square (a quad) with your attacking marbles, while at the same time stopping your opponent doing the same. To aid you, you also have six blocking stars. These stop your opponent finishing a quad, but they also block you!

Quad features:

• Intuitive control system.
• 4 levels of Computer AI to challenge any level of Quad player.
• Digital sounds.
• Tutorial mode to help you learn the game.
• Automatic Advance mode to allow you to compete against all the skill levels.

I wrote Quad for two reasons. The first was to see if i could do an A.I. opponent that played a challenging game against both a noivice and an experienced player. I think I succeeded there. I also like the complexity of the game - and if you stick with Quad and experiment with strategies, I hope you will enjoy it too. Maybe if I work out an SMS based version I can challenge you to a game in the future!