Heli Attack 2D

Heli Attack 2D According to Douglas Adams (of '42' fame), higher dimensional beings are a "pretty nasty heathen lot." Unfortunately, the denizens of the lower dimensions are not much better. In the 2D horizontal slice there are nothing but vampires these days, and the vertical slice we visit today gives you little but tanks and planes trying to shoot you to kingdom come. Luckily, you have a solid…