This was a neat, minimalist little crawler. The writing was humorous and I liked the story and the background in the dungeon was actually quite cool.
It did suffer from some issues however. the grid didn't always seem aligned and since you can fall off this can lead to some unfortunate player deaths. I kept getting stuck on the thresholds of the rooms/bridges, I think related to the physics, I think I was getting stuck on the "gap" between each room but eventually it would get past them. The minimalist style is good, but it was hard to understand what all was happening. There's no feedback or sound effects on anything, whether it's monster or opening doors. I didn't understand I was picking up keys until I realized it's shape at the very end. I'm not sure I encountered any puzzles either, but it's a jam entry, not everything will make it in.
I think with some polishing, some proper enemies, props and sound effects it could pull it all together to really take this to the next level. I recorded my playthrough here: