Nice game - has the makings of something more than a game jam!
I like the variety in rooms and enemies and objects you managed to sprinkle in here as well as things like a functioning minimap and procedural generation. How did you manage to do all that in 3 days!?
If you want to expand on this concept I think you need to figure out how to better incentivize using the vacuum - between it's short battery and range I was mostly feather dusting my way through the game. I think it would also help if hitting enemies gave more tactile feedback - I wanted something juicier for hitting them or hoovering them up.
This game is very cool - solid presentation, good mechanics, good execution.