Scope 64 is a structured programming language designed for creating games.  As quoted from the documentation:

Unlock Your imagination -WITH SCOPE YOU CAN WRITE TRULY ORIGINAL MACHINE CODE ACTION!

THIS REMARKABLE PRODUCT will revolutionise programming on the Commodore 64. By using the simple plain English commands you can now write and publish your own games to compete with the  professionals. Powerful yet easy to use SCOPE will benefit beginner and competent programmer. You will handle all aspects of Graphics, Sprites, Colour, Sound, Music & Animation. All in original super-fast machine code.

Note - You can find the manual here.