There's something irresistible about combining two matching pieces to get an improved one. This loop is designed so it never feels like enough: there's always one more merge to make, one more empty slot to fill. And the themes vary far more than you'd expect: merge games range from dragons and mansions to [floatingCategoryID=2268]restaurants you can't leave unattended[/floatingCategoryID]. Combine and fuse endlessly, even without an Internet connection.