How to Choose the Right Video Game for Your Channel

I've always loved that game but like I did not expect to see it in your channel or like I had never even considered that it might have a serious speedrunning community. It just never occurred to me. And I'm curious how you chose that game. How do you get a six cents of which of those hundreds of video games that you could choose is the one to actually focus on for a video? Yeah, it's a tough question to answer because it's so different for every video.