I was confused at first with the ending, lol. Then I realized.
The platforming feels quite nice, actually; solid jump implementation. It's cool you had time to add dashing and double jumping.
Obviously, it would have been nice to have a bit more content, but game jams can be rough.
Even though it's unfortunate you had no SFX, having the music really makes up for that a lot. Complete silence is way worse (imo).
Neat short experience. I liked playing as Finn the Human.