Spanish site Revogamers quotes an EA rep as saying that the Wii version is already in the initial development phase: “The Wii version - we have no date for it, so we have no idea. We’re just at initial design stage. We love the Wii, but we’re not ready to announce anything yet.”
In addition, when asked about possible Xbox 360 and PS3 versions of the game, CVG quotes Spore producer Thomas Vu as stating: "There's lots of technical hurdles we have to think about before we can say, 'Okay, we can do this or not'.
“But we're always looking at and thinking about these issues. Yeah, of course we'd love to do it, but at the same time we don't know.”