COD BO2 Buried Free Perks
Second, you can do this just one at a time in every game play. You need Ballistic Knife, then go inside the Saloon. Look on the wall and you will see a dart board, use you ballistic knife to hit the bullseye. If you this correctly, You will hear and see the piano ( near the stairs ) will play. Now, go inside the Haunted House come out to the other side. And then go back again. Once you are back inside again, you will see a ghost playing the piano. Come close to her and give her 10 points in return of a perk.