i weirdly got into this, something about the sort of tower defence progression works well here
im not very sure about the rest of it, first of all why is the player a platforming character? besides sometimes pushing blocks they can't quite affect anything during the wave itself
secondly im not sure about the building here, mostly i don't get what was the intended build, not sure why all the guns need to be arranged vertically in a line for them to work, or why the blocks have physics.