Google Doodles started out as artistic ways to celebrate certain occasions and birthdays. But as web technologies advanced, some doodles turned into interactive content, a.k.a. games. This Halloween, Google deigned to inject some cuteness into the usually scary but sometimes fun celebration, by making a game that tasked a wizard cat into vanquishing ghastly foes. All by waving its wand, which means swiping with your mouse or, better yet, with your fingers on a screen.