A Surprise Event has been added to Peggle Blast HD for all Pogo players. This event ends on November 18, and if you complete the event before then, you can earn 600 pogis (no badge):
Win 20 levels for the first time. Replaying levels counts if you have already completed them all.
(Peggle Blast HD Ranks, Badges & Tips)
Are you going to tackle this event? Do you have any tips to share for other players who are working on it too? Let us know in a comment below.