Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
They're still there, I just separated them from the rest (and forgot to announce it in the thread). There's a dropdown in the upper right where you can choose between standard singles, VGC, and LC.
Remember your version of OO SOS? What if we removed the planets with stuff in them, made them more like the regular nodes, and filled each player's planet with TNT? Sound good?