Rock Hippo announced that the first week of commercial Microvolts service was a success. Although the Hippo did not disclose the size of its player base, they mentioned more than 31,000 players have become Facebook fans of the game.

To celebrate the success, the Hippo released a Microvolts wallpaper for fans. Our games wire had a number of different sizes so we just grabbed the largest one and hope you can figure out how to resize (or you can contact NoeJeko if you want a different size).

Finally, Microvolts will host its "Free the Hippo" tournament this weekend with some great prizes so be sure to check it out. Before that, the wallpaper: