I think most of us grew up having "played" Mavis Beacon, the ever-so-loved game that teaches you to be proficient in typing. I wanted to bring up the notion of gaming as a tool for learning and how effective these can be. Learning games are not aimed at creating an interactivity that is leisurely and fun, but by using these qualities of gaming as a motivation to stimulate learning. I remember in one of my elementary classes, we all went to a computer lab to play Mavis Beacon, and my friends and I would compete with one another to see who is the "fastest typer of them all". It's silly at hindsight, but it definitely was an effective way to better my typing skills.
There are so many other forms of learning games out there, or even trivia questions where you just explore the game's universe. For example, there is a trivia game online on the Nickelodeon website showing the expansive world of its TV show The Legend Of Korra (love the show), all the games purpose to only to just click on things and read the descriptions. Once you explore enough of certain location, you unlock the next location and do that same. I think it just goes to show what a wide range of uses for gaming can be, and is not just limited to what we think of when we hear the word 'gaming'.