<p>Write about what you’re passionate about. If that happens to be gaming (and service), and you have the academic and extracurricular, etc, stats to back up that you’re not some excessive gaming addict, and you think that it will make the best essay, then I think you should go for it.
At the end of the day, it is your decision. You can’t really know what exactly will sway the admissions office in your favor; in fact, no one here can.</p>
<p>That being said, I do have a friend whose freshman year college GPA suffered because of a gaming “hobby”… Haha. It’s all about balance.</p>