Once I figured out what was going on this was pretty fun to play with. The core mechanic was interesting. It would be nice if it were a bit more forgiving in the beginning while you learn the system. Like the initial crystals stay for several bounces and it isn't until later that you start getting crystals that only last for one bounce.
Having the original sprite sheet as the backdrop is cute but I found it visually noisy and distracting.

Oh my gosh, I LOVE the core mechanic of this game. The fact that you have to kill the enemies to keep spawning the bounce crystals is actually brilliant. Awesome idea, I had a ton of fun playing this.
Amazing game, really great work.

Overall this is a very engaging arcade game , I like that you have to sometimes try to land on the gems when you are low and dodge them when you are close to the ceiling , this creates a very tens game play loop 

also the art was in very good use here , I like that you cared to change the colors of certain objects it gives it a very outstanding feel compared to most games in the jam 

could use some more juice tho , some screenshake or more crushy sounds

very well done

Nice idea for a game, it's like those games where you have to bounce up forever, but you only want to bounce within the range of the game. I thought it was cool that the trucks dropped more than one crystal, and the game itself was pretty engaging. I also liked the use of the whole player sprite as the health bar