This is a complete Unity game, called Jelly Shift.

It is ready for release, and it’s excellent for learning purposes.

Contains Admob and Unity Ads

How to play?

On mobile : Hold and move your finger up-down on the screen to scale the player.
On desktop/web : Use ’W-S’ keys on your keyboard to scale the player.

Your goal is to make the player fit inside the obstacles.

However, if you touch any of the obstacles, then you die.