Written in game. When the main menu screen pops up, click how to play. *Important: This game was created with Scratch 1.4, but it does not work with the current version of Scratch (3.0). You can play an updated version of the game here: https://scratch.mit.edu/projects/18093873/. If you prefer, you can download this game using see inside and convert the .sb3 (Scratch 3) file to an .sb (Scratch 1.4) file using an online converter, and run the project in Scratch 1.4.
I'm still trying to figure out what in the world happened to those barriers. In the meantime, enjoy the game since the latest glitch was removed. You know what though? It was surprisingly easy! BARRIERS FIXED! GO TO: http://scratch.mit.edu/projects/18093873/