Earlier this week, PopCap announced the creation of 4th & Battery, a new studio focusing on more experimental and edgy titles.  Their first game, Unpleasant Horse, may not be making its planned iOS debut this month, however—Apple has rejected it based on its “mature content.” 4th & Battery is making an appeal to Apple to release it with a more mature rating, but they also tweeted this:  “WTF? Apple rejected Unpleasant Horse cuz of “mature content?”  We thought horses dying in meat grinders was wholesome family entertainment!” 4th & Battery has since deleted the tweet, but we think we love this new company already. At least more than PETA does. [via Joystiq]