"Can't drag left or right" is a misleading way to describe it at the start. You *can* drag it left or right if you're to the side of it. And you can't drag it up or down if you're to the side of it.
The inability to activate a switch while a box is on a statue tile is only explained on a level where that can't happen anyway, making it easy to miss or forget.
An "undo" key would be nice, instead of a death instantly restarting the whole thing. It can be a bit frustrating to have to redo the whole thing because of a single misinput.
Decent little puzzle game otherwise! I get that this was made for a game jam, so take these as notes for the future.