My favourite part of this is the fact that jumping isn't effected by hitting a roof/platform, so you can float along the top!
Where did you get the idea for the snail throwing its shell? I like it!
Ii got the snail shell-projectile from another game I'm making with the same art assets, haha Although, in that game, it was more like you were a gunI may incorporate this style of flinging into that game and see how it goes