A music thread for tracks that, for one reason or another, you don't think get acknowledged enough. Maybe they're from games no one cares about, or maybe they're just buried by more popular tracks on the same OST. I had a thread like this a few years ago, but we've all probably found more since then and I'm not limiting it to obscure scores this time.
I'll open with "Dragon of the Diamond Cave" from Giga Wrecker. It's from a mediocre game and mediocre OST that have both been pretty much forgotten, and it even hides behind an unremarkable opening 20 seconds to blend in. But it secretly deserves to be a final boss theme from a far better game: