Really solid entry! The graphics were nice, especially the character, and the sound and music were great (I especially liked the fact that more voices were added to the music the higher you got). As others have said, the UI could be a little more intuitive (perhaps an angled arrow that originates from the player, and then grows longer and shorter). I still had lots of fun jumping between platforms and ultimately falling to my doom.
Great work for 72 hours! Sometimes team projects end up a bit disjointed, but this was really cohesive and it seems like everyone was on the same page.