If war games are your thing, make sure you download Cross Fire Defense for the iPhone.

This FPS (First Person Shooter) game has been updated by makers, Uwingame, with new features creating an engaging, fast and furious defensive shooting game.

Your mission is to defend your position against an enemy assault from the sea and air.

It will take all your fire power to protect your position, but the games new features will help you.

Choose from three different weapons machine gun, cannon or air attack - to defeat the enemy forces. They are organised, lead by cunning officers and large in number with infantry, paratroops, warships and landing crafts.

The easy to use controls mean you can react fast to attacks, reload quickly and even call for backup if you are in danger.

Tilt the iPhone left and right to aim horizontally and tilt it front and back to aim vertically. You can also aim by pressing your finger on the screen and dragging it vertically to move the aiming point up and down.

If you are coming under heavy attack or find yourself in danger you can call on your air backup using your walkie-talkie to cause heavy losses to the enemy.

You can also buy upgrades from arms dealers in the Weapons System area. But be careful because theres a twist. The points you use to buy weapons are the same points that improve your military rank giving you access to maps and new battlefields, so youll have a strategic decision to make as whether you keep your rank or upgrade your weapons.

With detailed 3D graphics this action game is fast, realistic and fun and is bound to prove a favourite with players.

See a trailer with screenshots and game instructions at YouTube or download at http://itunes.apple.com/us/app/cf-defense/id342878608?mt=8