I really like that it's laid out like a retro RPG. Very CRT. I wasn't able to make it past level 3 because the dual slimes pound you to death in one hit, even with shield.
It would be nice if you could interact with the "Match-Three Board" the whole time, especially when you're walking to a new room so you can prepare for it. It would also be neat if when you're attacked a random tile is chucked out.