Wow, I love the 2D art you made for this game ! It's a shame however that the world isn't in 2d too, it would add so much to the atmosphere.
The game itself is quite interesting, even though, it seems that you can take biscuit from really far away, which remove the difficulty to move the bag.
I could not find the path you need to take to go further in the game, and I had the impression to be stuck on the first level, even though I rack almost 25 biscuit in the bag.
Good little game though, it was nice to see how you approach the theme, and it was a really cool idea. Continue the good work !