Is here spore similar ingame actor/object editor?

Development Programming & Scripting Multiplayer & Networking
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Hi,

is here spore similar ingame actor/object editor? if you are not sure what i talking about, look at these screenshots https://www.google.ru/search?q=spore+editor+screenshots&newwindow=1&biw=1422&bih=997&tbm=isch&tbo=u&source=univ&sa=X&ei=X7ElVJGcK-L4yQP2q4GgCQ&ved=0CB4QsAQ&dpr=0.9

If there isn’t one yet, is it really possible to make such for:

  1. singleplayer (most likely - yes)
  2. multiplayer