Cute idea! I think it wanted some more peril mechanics getting in the way as you got closer to your 20 collectables to help ramp the tension up. Definitely seems like something to court the high-score chasers. I liked the aesthetic a lot too.

fun game! I think you should add music and expand this after the jam! (also can we do rate for rate, (I already rated your game))

Very fun and cute! Surprisingly, I found the level with just the 4 springs and nothing else to be the most satisfying and fun to play. I think that must mean you did an excellent job on the sound and feel of those bumper springs! :D

Pretty basic but do it's job. Kinda dislike the first level because you better stay close to the right of the window in order to get the big jump quickly. Second level is better designed. Third is ininteresting. Fourth is good (didn't see after).

Gameplay wise it's ok, character responds well, little acceleration/deceleration, air control, pushing you to estimate your jumps but not completely unforgiving

It's lacking a little music maybe, concept maybe a bit overdone, but overall fine. Keep doing the good job !

Simple, but nicely done.