Here are three topics that gamers often discuss online: 1. What will you create with Make Me Costume, a fashion or a horror-themed costume design app? 2. What type of gaming community do you usually participate in, online forums, social media, or in-game chat? 3. How often do you play games, daily, weekly, or sporadically, and what affects your gaming frequency? Let me know if you'd like me to rephrase or change them!