Fun Game, I really enjoyed it but I did get stuck after collecting 8 acorns. Also, I jumped off of one of the squirrels and got onto the platform but I fell back down and now I have no way of getting back up there. Maybe do some design tweaks. Beyond that, it's a fun game. Good responsive controls, fun music, and quirky art. Love it. Definitely nailed the NES look, sound, and feel.
Glad you enjoyed it! I have a few questions: where/how did you get stuck? Do you mean you got stuck inside a wall, or stuck as in you couldn't progress further?
The level has been designed in a way where you are not required to jump on squirrels to reach any of the necessary platforms. You can reach all of the necessary platforms (and acorns) by simply jumping, diving, and sometimes doing both in succession! I'm curious to know which platform specifically you reached by jumping on the squirrel; perhaps I may have to make some walls higher...