Incredible
That was probably the best flash game that I've ever played, and I'm not just spouting nonsense. I spent a good 7 hours to beat it and sorta' lazed about, finished with only 60ish percent of the treasure found. Anyway, it was great and I enjoyed (just about) every moment of it.
Well, onto the problems, the only bug that I noticed was a funky thing that happened while I was trying to heal my party with Mardek's heal spell out of battle. Sometimes the spell element 'icon' would shift and the text would read "undefined" instead of "light". It wasn't a big problem though, since I could just close the screen, try to heal again, and it would go away after a moment.
And now for some non-technical complaints =3.
I found that the battles became a little tedious, and they were the main reason why I didn't try too hard to obtain all the treasure. Then again that may just be a personal problem that doesn't really apply to everyone, but eh. The items in the shops (in my opinion) were simply terrible compared to the ones that you find in the field. The only thing that I actually bought from NPC's were the second level swords, the lightning wand, and a couple of one-use items (I finished the game with over 15,000 unspent shinys). Ooh, and I also couldn't find any side-quests (like the robot man in Ch. 1) other than the trilobite cave, but then again I might've just missed them.
So, all in all I think you've created an amazing game. I played through all of one and two and I simply love your style. As I've said before, everything about the game was great (I liked the humor a lot in particular) and I wish you luck on any of your future works.