Too many ideas and not enough time. Or too inconsistent motivation? One of those is more honest. Browser MMORPG, Desktop productivity tools, TTRPG tools, niche and weird projects that were really just a spur of passion that didn't last. And that game you've thought about. The answer is the same: "Maybe one day". But you got some stuff working, and that's nice when that happens. And even if the D&D campaign never finishes or fizzles out, you had fun along the way. And gained a few friends as well.
Is writing an introduction about yourself really that hard? Yes. You do think so. It feels weird to talk about yourself, especially to anonymous strangers on the other side of a screen. You feel strangely judged by these people who you will never meet. That is if anyone ever reads it anyway. You don't like to assume. No. Better to treat it like something no one's ever going to read. Make it weird, make it something you want to make. Pretend no one else exists. Only you and the screen. Why not? You're having fun.