I had to download the Mac version and dig through it, the PCK file wasn't included in my download. As a full-screened game it needs a quit option, not everyone who plays games is going to know how to kill a process from memorized keybinds. I will say that this made me cry a little when there wasn't actually treasure in this chest ;'( (not sure if the embedded screenshot is actually showing up in comments, I only see it in edit mode!)
It'd be nice if the dialog had a 'skip to end' before just hitting next that would print out the remaining characters without actually skipping the whole dialog. Clearly, a lot of time spent on level design and narration, I'm curious to see where you will go with this!
(FWIW the bug that @ludodevelop reported occurred for me when testing it on a windows box, albiet while using the relatively small Mac PCK file)