For those who don't know what StormYahtzee is you can find the release thread here
Coupon is good for this weekend only It will expire on 3/30/09
Coupon Code: CrackBerryYahtzee
How do I enter the coupon?
1. Go to this link
2. Click on Add to Cart then click on checkout in the top right
3. Where it says "Enter Gift Certificate or Promotion Code" enter the coupon: CrackBerryYahtzee