This is a very cool script. It balances out the problem of players with less deaths and less kills being ahead of those that potentially did better. What would be really neat to see would be for the damage not to be based off of the physics. While this would complicate the script much more, it could be very interesting- e.g., a magnum kill would be worth more than a rocket kill.
In this script, the scoring method is changed so that every time you deal damage, you gain points. Kills and deaths do not award points. Watch out and don't damage yourself because it will take away points and suicides usually hurt more than help you.
Just select it when hosting and set netscript as your gametype.