An enjoyable mechanic with fun pixel art. Nailing the timing on a challenging section made me feel skilled and accomplished. When I started discovering secret crystals, I became worried I would have to backtrack (I just kept trudging forward anyway, eventually getting stuck on a spikes and conveyerbelts level i couldnt beat).
Nice work! There is a remarkable amount of level design for a jam game and some really nifty ideas and tricks to make everything challenging. Very impressive.