yes you dont actually have to be a land dweller according to those e3 videos that came out you actually never have to leave your watery paradise for more detailed info on the games you can check out our media player and have a look at some of the vidoes or you could look at the game info page:
http://www.xspore.com/spore_facts.html

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When all others fall i will remain standing to dominate all life - AD

The first casualty of war is innocence - Platoon