Xenon 2 (the follow up to Xenon) is quite a different game to its predecessor. In fact the only real commonality is that both games are vertical scrolling games. Having said that, Xenon 2 is a great game. It has fantastic graphics and is very challenging.
The interesting twist for Xenon 2 is that it is possible for the player to ‘back up’ and fly down the screen as well as up the screen:
Xenon 2 also runs perfectly under Virtual PC.