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Im not sure if it was posted before but I was able to get few 5 free points via this promotion.
When you open page first time you might see the free code on the right side of the page (if you already played the game). You might get an error trying to redeem this code.
Just click on Play Now button, answer few questions and get your free 5 points.
Facebook required for this promo.
Get it HERE [facebook.com]