I like this. The visual style is really good and consistent, everything looks professional. You nailed the simple aesthetic. I like how the dungeon kind of "comes together" as you walk around. The way everything moves is nice. You do a good job teaching the basics. But once I opened the door with the three skelingtons on the other side, I didn't know what to do. I tried a couple times, and each time I was eventually cornered at the start and couldn't do anything. I tried using my spell, in which case "AAAaaAAaaahh!" was shown, but nothing seemed to happen. Up until that point I thought the tutorial was well done, and taught me the right concepts at the right time.
Keep going, and maybe keep holding the players hand a little longer. Or I just missed something obvious. Either way, I didn't like having to start over because I was cornered.