1. You need someone else to share their challenge key with you before you start your game.
Originally Posted by RiRiGaGaLover
2. There are two ways of using Memory Link. You can either do it by using two DS systems (one with B2/W2, one with B/W), or by using Game Sync with B/W to get a code to enter into BW2. In both cases, you set up Memory Link by going into Unova Link from the main menu.
100% of information in signatures on this forum involving percentages is false. If you feel as cheated by this atrocity as I do, don't you dare copy this into your signature.
Hold on... if this percentage was correct at the time of print, that means the actual percentage of false information is less than 100% if this signature is included. Which means that... no! I've become a slave to the system!!