Hey, sorry for delay and thank you for such detailed feedback! Are you a Linux user under Wine by any chance?
Regarding optimizations, we are doing it as we go, and where are required. There's a lots of steps in that aspect. First step was game optimization (as in performance). Assets optimization is on the TODO list and PNGGaunlet sure it comes handy! We pushing an update after holidays that uses it.
In our tests, loading of complex maps only took aprox 5 seconds on worst case scenarios. What are your system specs?
And... yes, we also need to optimize sounds & music, make them all 48k or so. That is very noticeable on dialogs, where thefirst ones used heavy compression and sounds like a AM radio.
Oh, and the fireflies are disabled on potato mode. All fancy effects are, but fireflies are a story component in level 2, so we gotta tweak that, ty.