Hello hello, i really like the concept of having to progress without being able to use everything. A lot.
A good way to build a metroidvania differently! Your idea can lead to pretty interesting and complex situations, and makes you think before packing. You've made your point! The only things i do not like is that the char is slooow and it is a bit laborious to travel across the world. Will come back to it to finish it!
Oh and it is a bit scary when you end up opening a door in the caves, and seeing this .. ahem beanny waterfall monster ! The loop music is a bit exhausting too, and does not fits the caves ^^ Ambient sound would have done the job :)