Wanna go to the new Glitch City? Here's how.
1) Go in front of the Battle Factory's Double Battle Swap Guy.
2) Save game in front of him and turn game off.
3) Turn your game on and off really fast about 20 times.
4) Turn game back on and don't press any buttons. If the words "GAME FREAK" look all glitchy, then go ahead and load your game.
5) If it worked, you should be in a black room with a bunch of people. If you try to talk to them, no words will appear, so just keep pressing B. If you press START, nothing will appear, so again, keep pressing B.

NOTE: DO NOT attempt to save in Glitch City!!! It could permanently corrupt your game!!! Your game could also get permanently corrupted if you go in Glitch City more than three times!!!
NOTE: If you are finished in Glitch City, turn your game off then back on and everything will be back to normal.