You probably bought your Revo for productivity or organisation reasons, but there's no harm in playing a game on it occasionally. Provided you're not supposed to be supervising the donut manufacture line, or whatever it is you do, or we could end up with substandard donuts!

Asteroids is Neuon's. first Revo-compatible freeware game (they also write plenty of other useful Revo and Series 5/5mx software, although it isn't all free). It is programmed by Phil Gooch, and based on the classic Atari game. The game is more or less exactly like its Atari equivalent in terms of game play, aided of course by the conveniences of modern computers, touch screens and faster processors!

Asteroids displays a splash screen for a few seconds whilst loading the game, although this can be cancelled more quickly by pressing a key, but not by tapping the screen (which would be more convenient).

Surely you already know how to play asteroids! You control a small ship flying through an asteroid belt. Flying by are asteroids, which must be shot at to break them down into smaller and smaller pieces to avoid collision. You must also avoid and attack UFOs which may also shoot at you. In addition, it uses normal space physics, ie when you thrust, you keep moving in that direction until you turn around and reverse in the opposite direction.

Multiple difficulty levels are on offer, as are an inverse video (black on white or white on black) mode, vector beam (line) width options and an ability to override the game's automatic processor detection. This means that, although the Revo uses a 'fast' processor, you can set the game to 'standard' (Series 5/Osaris/Geofox) mode, in which fewer asteroids are shown but because of this the game is twice as fast! The standard key setup is a little unusual, although it can be customised.

The display is generally flicker-free, whilst processor intensive, but during 'white on black' video mode, objects tend to leave a small trail - however, this is not a problem. Play in general becomes pretty fast and furious, and keys can sometimes feel unresponsive, so it's best to set your keyboard repeat rate in the Revo's control panel fairly quick when you play.

Asteroids is a good port of the classic game and great for a quick game. If you enjoy it, you'll probably keep coming back to it.