Да, официального мульта не планируется.
networked mplay is not planned for cc1; the engine is simply not set up well for it.. however, our next project which has a whole new engine built from the ground up, IS designed to support it eventually :) - Разработчик.
Но, есть мод на ДМ. Работает криво, неизвестно под какую версию, но есть.
http://forums.datarealms.com/viewtopic.php?f=24&t=19719

Мульт есть?