This is a thread for discussion, help, etc of Game Level Editors. From Warcraft 3's world editor, to the Crytek Sandbox, to even the Smash Bros. Brawl level maker. This thread is game for each. Talk about various differences, including Pros and Cons, give or ask advice for a specific editor, ask for help with design, whatever it may be, you can talk about it here. One exception, for now, no posting of Crysis physics demos, they're kinda pointless in the grand scheme of things. If this thread becomes popular enough I may have it split into a different one for specific editors, but I'll see how things go, first.
So, who wants to start?