Well this is the third game of the Crazy Cars game series, but using a different name. The game is a classic racer to which the objective is to end up the undisputed champion of highly illegal street racing (mountain roads, the desert, urban settings etc) throughout the entire U.S. using your....Lamborghini Diablo. The races are divided into three leagues, each one with increasingly harder opponents. In order to be competitive enough you must regularly upgrade your Diablo (i.e. buy turbo boosts) to keep yourself above the other racers. In order to participate in a race you need first to bet a few dollars (!). The money in the pot will be the price of the 1st place. So earn races, gain money, upgrade your Lambo and run the races with ease!
Lamborghini American Challenge (or Crazy Cars III) is a nice racer, offering a few extra features to the genre (like betting in racing) and plays quite smooth.
The Atari ST port offer some nice graphics and are almost identical to the original Amiga version, but using less colors on screen. Of course the number of colors being used here in the ST version, are way more that the ST is capable to. The landscapes use several color palettes, featuring daylight and nighttime courses. The animation is pretty good and the landscapes move relatively fast. The graphics and main menu screens are almost identical to the Amiga version.
The sound features a nice intro and main menu theme(same as the original Amiga version), and a few SFX (car acceleration, spinning etc) but not sampled.