First off, bonus points for including save, load, and skip functions in a non-Renpy game! (No idea if the engine you used has them built in, but still.)
I quite enjoyed the writing style - well written without being too flowery or sentimental. The art style is simplistic but has a strong sense of style and aesthetic consistency that I think works really well with the story being told. (I imagine the protag being young, so the almost crayon-like backgrounds adds to that vibe.)
If there's one minor nitpick I have: I think some of the paragraphs could be broken up a bit into separate pages. For example, on the page "It catches you off guard..." - I would consider stopping this paragraph before "Dreams are always strange." and move that sentence and everything after to a new page. It might make the game a bit slower to skim, but I feel it helps the "mental workload" of the reader, so to speak.
I'm not so good with surreal/dreamlike plots so I don't have a lot of specific feedback about the story, but I enjoyed it thoroughly and really enjoyed the creepy animations!