Not bad. But I feel being unable to go back to the first large area is silly. Also, you should really give more equipment and stuff to do. It's a fun beta, though. Perhaps some magic?
The final boss is interesting, but it feels like the attack increases are too fast. It's also massively easy to cheese with a fairly tiny bit of grinding for decent health and potions.
I do find the extremely long maze at the end a bit annoying. I'd prefer it shorter with random enemies in comparison, since at least you might gain a level before the final boss.
