These are my two first net maps for marathon 1. It will take some time before I make more because I am working on my new Marathon Infinity scenario Gangsterz. But I have made more solo levels for marathon 2 and Infinty on my homepage:
http://hem1.passagen.se/poopee
and if you want to know more about Gangserz take a look at:
First place the original marathon map in a new folder. Then you put my map in the marathon folder. And when you get tired of my rename it or put it in another folder, and