King of Fighters 2002

In challenge mode, play through time attack and complete level 40. When this is done, you will get a message saying that another player has arrived. To select Geese, highlight Billy, hold R and press any button. To play as Goenitz, highlight Rugal, hold R and press any button.

How to unlock Orochi versions of Chris, Shermie and Yashiro & play as Kusanagi. At character select do the following below.