great game, the boost jump made the game much more interest, but i wish it was possible to do a air jump then jump boost instead of just jump boost when in air (my best time was 2:40)

Fun game! And frustrating but it's right on point!
The movements and animations are super clean!

Only one negative aspect : your function onGround (or whatever you named it to detect if the player is on the ground) doesn't work very well.. When you are on the edge of a platform, very often, the player do the "second jetpack jump" instead of the natural jump. Which is annoying when you are on a precise platformer game, it forces you to jump before the edge which is annoying and counter-intuitive...

despite this, it was a cool and solid idea!

Amazing game!! Very very nice job - also that it is your first game, congrats & keep it up!

I got hocked by the precision platforming and the double jump mechanic - very smart idea and excellent execution. It is a very elegant game. The mechanic pushes you to move fast and don't stop moving while the level design requires very precise navigation and everything works only by using the double-jump. 

Art is on-point for a game like this and the jump sound is totally enough and immerses you - you become the cute little rock.

I repeat myself but very nice game - amazing work - keep it up and looking forward to seeing more games made by you!