Nice little game ! It's neat that you managed to fit two levels that tells two different "dreams" =) ! It's a good platformer and I liked the level design that avoided the need to backtrack =).
The collision detection of the walls was a bit odd sometimes, because each square of your tilemap had collision (if you used the 2D tilemaps in Unity, take a look at the CompositeCollider component ^^. Add it to your tilemap, check "used by composite" in your collider component, and the composite will merge all the colliders by removing the unecessary ones ^^). Also, it's possible to use the edge of a corner to jump while not grounded (which was fun, I must admit =p).
Overall a solid entry, congratulations ^^ !