September 13th in Club Penguin History takes us back to two years ago, 2010. The Fair, which had started on September 3rd, was now over. However, the main updates were related to stamps. Club Penguin Game Day Stamps were added to the stamp book. The stamps for earning 5 and 10 field op medals were also added. There were also several other new Jetpack Adventure Stamps.
Speaking of Jetpack Adventure, on this day in 2010 you could bring your Green Puffle into the game and it would go along with you. Jetpack Adventure was first released in November 2006.
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