Pokemon Black Nintendo DS Unlockables

National Dex

• Beat the Elite Four once and upon leaving your house after the credits Professor Juniper's Dad will reward you with a National Dex.
  National Dex

New Wallpapers

You get new wallpapers for beating the elite four for the first time, and then some more when you beat them the second time.

• Beat the Elite Four twice.
  Wallpapers

The Relocator

In the second floor of the Name-Rater Services Building in Castelia City talk to the scienctist. He'll talk about a special machine that needs a password to be used the password is the same for unlocking Mystery gift in the other versions. He tell you that you can now use the relocator which is needed for all the pre-launch event pokemon to be moved to the black / white verison for the zoroark / zorua event as well as to get the lock capsule which lets you get the final TM - TM95 Snarl

• Everyone Happy Simple Connection (password)
  Relocator

Trainer Card

The color of your Trainer Card changes as you complete certain objectives.

• Deafeat the Elite 4
  Color Change
• Get a 49 Streak in both Super Single and Super Double Subway lines in the Battle Subway (Good Luck)
  Color Change
• Obtain all Entralink Powers
  Color Change
• Obtain all Pokemon Musical Items
  Color Change
• Complete the National Pokedex
  Color Change