You know this game. It is based on Warwick Allison's QwSpriteField
widget.
The objective of kasteroids is to destroy all the asteroids on the
screen to advance to the next level. Your ship is destroyed if it
makes contact with an asteroid.
This package is part of KDE, and a component of the KDE games module.
See the 'kde' and 'kdegames' packages for more information.