Z2Live is the Seattle-based developer behind the popular freemium Trade Nations title for iOS, and the company's latest release is another freemium app called MetalStorm Online. As you can see from the picture above, it's a combat flight simulator, which has you piloting a series of jets through the air and trying to take down enemies both real and computer-controlled.
It's relatively simple, so flight buffs will be disappointed with how superficial the game is, but as an arcade flight simulator, I liked it. The plane is controlled by tilting your iPhone and tapping or swiping on the screen to fire or perform flight maneuvers, making for a simple but satisfying combat game. It's all freemium, so you
