I suppose im in the middle...
My opinion rests between that of those who vehemently hate and those who like your game. I'll admit, I didn't play the whole game (I believe about half, I killed 4 kings) and from what I saw this game is alright, not great, but alright. A big complaint most people have about this game is "There's only one enemy, the goblin things" well there isn't, around the time I fought the frost king (second king for me, way up north) you see these fat trolls start coming. This shows exactly how far people bashing the game played, they couldn't even be bothered to play more than 1/8 of the game before going out of their way to write bad reviews. The other huge complaint I saw time and time again was the thing about the heyzap coins, as OEG (oneextragame) said they can be gotten for free and you don't need the items to beat the game. I didn't even take my free item and I beat half of it.
Now I suppose it's time for my complaints. The combat, all in all, was more than a bit bland, it was much too easy (I was playing on hard difficulty, I'm much too bored with the game to go back and try insane) and the skills and spells, aside from heal on the king fights, were completely unneeded. That brings me along to my second point, the skill tree was as unneeded as the skills and spells themselves. My biggest complaint is calling this an RPG. You can't simply slap in a story and a small (and to reiterate, unneeded) means of character development and call something an RPG (a rather common misconception nowadays.) An RPG takes immersion, it has to make you care about the world and it's characters (rather hard for a flash RPG, I know, but you had half a year to make a story that could draw you in). Now these last couple complaints are minor aesthetic complaints; the backgrounds did change but they were only recolored, that was a little lazy, and the text was hard to read at first because of the font (I got used to it around the 2nd or 3rd king).