Gridland is played like a match three-style game (such as Bejeweled), but in a Minecraft-like setting. During the day, amass resources to build your town. At night, the tiles become weapons you'll need to fend off monsters:
You can play it for free in your browser. (I'm stuck on day 6.)
You are now looking at Screenburn, a Kotaku blog dedicated to the best gaming images, videos and GIFs online.