This was passed along my way, thanks to the awesome Jinx of InfiniteSims!  It’s a review by SporeNews.de about the Wii version of Spore Hero.

Once one has come to terms with the fact that “Spore hero” no conversion of the PC game “Spore” is taking a the Bastelsucht caught in this spore-branch already. The fights are quite interesting because you can see evolutionary strengths and weaknesses of the opponent and use his favor. In Spore hero there is also a Versus mode: Two players step into the ring against each other, either with their homemade favorites, or with the hero of the adventure. Who has created on the console is already a creature and evolutionary change, here is a clear advantage.

Read here (roughly translated to English)