Nice game!
I had some troubles at first, 'cause I fell of the map (maybe some missing colliders?), but in the second run I was able to enter the temple (and to collect 28 out of the available 25 gems :P)
Also, I saw you flagged the zip as a MacOS and Linux packages. However, I couldn't find the executables for those OS's. In my opinion it seems a bit misleading, as some people might download your game while not being able to play.