Holiday Hill Zone

Holiday Hill Zone is a GFZ-styled zone and one of my first zones. I have changed it quite a lot since I finished it. However, do not expect this to be an awesome level, I'm still a beginner in making levels.
Constructive criticism is obviously welcome, that's why I posted this zone here. :=)

Screenshots

Spoiler:

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Music (Sonic 1 GG Bridge Zone) remastered by Mikeblastdude.