Microsoft Points: 800 (GBP 6.80 / EUR 9.60)
My first thought was that this must be the latest offering from Tomonobu Itagaki - another of his tit-fixated sports games to sit alongside Dead or Alive Xtreme Beach Volleyball. Downloading the game, ready for some enormo-breasted dodgeball action, I was left limp with disappointment at the discovery that the "Double D" part of the name refers not to hypnotic lady-orbs but, er, well it doesn't appear to refer to anything, actually.
Instead it's a self-consciously retro-styled arcade recreation of America's favourite form of institutionalised bullying. Two teams face off, and must pelt each other with balls as hard as they can. Get hit and you're out, and the last team standing is the winner. You can earn bonus points for ganging up on the fat kid, or the quiet one who no one sits next to in assembly.