In this blog I explain how to use the KME 2.0 and show you how you can easily create your own multiplayer map for KKND2: Krossfire. The finished maps work with the normal CD version of KKND2: Krossfire as well as the Steam and GoG version.
https://www.assaracos.com/post/how-to-make-multiplayer-maps-for-kknd2-krossfire