The Special Ball

Hello, my name is GG_Gamo this is the first time Im using Unity so please dont scream at me if the game is trash I know it is because Im a beginner How to Download: Download the zip folder then you open the zip folder then you tap on the file with the name The Special Ball then It will open How to play: You need to get the red ball So the door will shrink Move: WASD or The arrow keysJump: Space PS ~ please give me tips so I can be a better game developer