I've been working on a patch to allow terrain to be flattened. The relevant ticket can be found here: http://trac.wildfiregames.com/ticket/21 My patch isn't perfect yet, but I'm working on ways to improve it. There was some discussion in Trac about if this is even necessary and if it might cause more problems than it fixes. I thought I would summarise the various solutions that have come up and see if we can figure out the best way to proceed: 1. Allow terrain to be flattened. Pros: It looks ni