I'm currently trying to finish this damn game I started 2 years ago. This is a project that turned out to be way to ambitious for its own good. My goal was to make an RPG with an adventure point-and-click type of gameplay. The problem is that it needs lots of content, so I've been pretty much puking out pure random content out of nothing.
While the game actually has some story, my development process is pretty much: Ok, I need to fill this area with content. Let's just add a random monster or NPC, give it some silly lines of dialog and make it return some random object, which I'll figure out what to do with later.
This is a pretty unique project in the sense that there's no plan on how it's being produced. It's like when you go explore the city with no guide, no idea where you're going to end up.