I like the idea and the art but it is quite unclear in the game what is your target. I know I need to collect items but it is not clear what should I collect or if I collect the right thing. I think it will super helpful if there is a list of the items I'm expected to collect.
Also a BGM will help it a lot to make the game feels better.
The wall jump does not function quite well, it works sometimes. The camera get glitched sometime - might because of a web build.
But I admire your job to make a complicated level and the art is quite unique. With some improvement in gameplay this can be a great game!