Let's trade feedback. I submitted a project too.
Mechanics: The general gameplay works; the firing, the enemies attacking, the shop system. The movement can be tweaked specially, kind of janky/inconsistent to move around right now. But the other mechanics are fair.
Visuals: You could certainly expand room types, but at the moment the visuals are consistent from the Tiny Dungeon pack. I wish there were barriers or walls added so I can hide behind them or run around enemies between obstacles as a way to make the map more interactive. The wide open space makes me a sitting duck, easy to surround.