This video shows Street Fighter IV’s Gouken (Sheng Long) in action. Here is what you need to do in order to fight Gouken:
1. Do not use any continues
2. Do not lose the first round in any fight
3. You have to get a certain number of perfects depending on what the machine is set to:
Set to 1 round: Must get a perfect in at least one match.
Set to best of 3: Must get 2 perfects
Set to best of 5: Must get 3 perfects
Set to best of 7: Must get 4 perfects