Hmm, I see, I see. I saw in some earlier threads that you have a concern of possibly breaking existing designs if you were to add or do something. Couldnt you perhaps just leave up different versions of the game, so old non working creatures can still be enjoyed in older versions? Anyways, One last suggestion I had was to perhaps allow muscles to connect to different parts of the bone, instead of the center. That could allow for more creative freedoms and allow for more muscles.