Experience has shown that such as these addons for creative and free titles are the true source of funds, the elder scion of "The Sims 2" has shown us how to do it Electronic Arts.
However, the biggest criticism of Spore is the boredom that comes too soon, why is it then again filled with tons of new components that bring a single new gameplay element with itself? While there is certainly no longer a long way off until 1 addon (which is to expand the space part) but such packs must not be real, all could be included in a big addon
but new arms bring any money.