Did a run of the airship fire module and my players went in unpredictable directions, but HML had a great foundation to make it easy to set up and adapt to as the twists kept turning. I'll be honest, I didn't really look at the rules very much until the day of, and it was simple enough that it went perfectly fine. Also my players had a blast in the character creation. I kept being called over so they could laugh with me specifically about a joke or two. I expected this system to be a one-time use for me, but it went so well, now I think it's going to stay in my pocket.