I absolutely love Backpack Hero, so naturally i'm a sucker for this as well ! Really nice work!
I'd say this is the kind of game that really needs a HUGE variety of items and environments to stay fun in the long-term, i must say this was a ton of fun for the first few floors !
Few nitpicks : The text on the bottom right (the one that indicates the floor/encounter you're on) is barely visible!
It needs some kind of border to pop out of the background i'd say 🤔
The healthbar not being visible when on the worldmap is a bit annoying (though it shows up as a number when healing so that's atleast something)
And i would have liked some way of leaving my items outside of the bag temporarily when on the worldmap just for organising things without it turning into some kind of puzzle game x) Bigger items like shields can be pretty annoying when moving 2x1 items around!
Apart from all that i really liked it! Good work ^v^