OK, I know I'm going to get flamed for posting these pics, just because they're 0 clut maps... BUT take a look at this sh!t...
Most likely caused by too many units on the map
You can also tell that I didn't edit these pictures, because the screenshots where i have the command center selected show you can't build a nuke silo or comsat station either.
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If those pictures don't display properly, reload the page. Sometimes the StarGhost.com server sucks. Additionally those won't be on my server indefinately, so if you come back here a few weeks later and they don't work, it means I deleted them from the server.