Use the arrow keys to make the Whitemallows happy. space key to change colour (there is no purpose for the change of colour, except that it pauses the game) After you make a Whitemallow happy, one second afterwards the next level will come and you can make the next Whitemallow happy!
IF IT BUGS OUT... If the level size stretches out or shrinks, use ctrl M to fix it. REMAKE! : https://scratch.mit.edu/projects/384186260/