– Go to Facebook App page take it on the track
– Play “Shot in the Dark“.
Choose Just play
and finish the complete game and wait to the end
– Choose 5 peoples
of your friends to do Grudge
, or anytime after playing the game once you can click Create Grudge
Select any set of peoples and write what you want in the comment
and click next
– Now the page is stuck in load state
, wait for 5 minutes before you refresh the page
– Repeat Grudge for different People wait 5 minutes until you succeed.
– Finally go to your profile page
and on the right side is your code
+ Source: GTPlanet