![](http://www.thecodezone.com/images/giftcards.jpg)
Yep, it's The Code Zone Gift Cards. Each card is good for one fully-registered download of the recipient's choice (Bulldozer, Duck Tiles, or the Puzzle Pack).
They make great gifts (hence the usage of the word "gift" in the product's name) and they'll keep your puzzle-loving friends busy for quite some time.
Learn more about 'em here.
And, since this is the season for giving and suchlike, we're slapping on a discount of ten percent if you use the coupon code "tenoff" in the "coupon code" field on the buy page.
Note: There's also a rumor that you can, for a limited time, get 20% off with the coupon-code "gamedev", but this is unconfirmed.