It's not bad.
It's not great either. Obviously this isn't an RPG like some people are expecting, it's a simulator of an RPG-esque fight.
All in all I think it was pretty well done.
Except for a few things. One is the hit points. Main character always stays at 500, whereas the enemy even at low levels can literally have tens of thousands of hitpoints. It would be nice to at least see how much HP the enemy has.
That's really one's biggest gripe. This could also use some improvements, for example armor. Armor would be great.
Otherwise, nice and clean graphics, simplisicity done well is always appreciated. Sounds were not bad and the menu song was kind of catchy.