Scratch

Ok, so I showed you how to program the menu, so here's how to add the credits:
First, make a new sprite for the button, and put this code in it:

When GreenFlag Clicked
Show
Go to Front

Then add

When I Receive Play
Hide

and

When Credits Clicked
Broadcast Credits
Hide

Add this to the background and the play button:

When I receive Credits
Hide

Now make a new sprite with the credits, and add this code:

When I receive Credits
Show

And

When Greenflag Clicked
Hide

Now make another new sprite, have it be a back button, and add this code:

When Greenflag Clicked
Hide

And

When Back Clicked
Broadcast Menu
Hide

Again, add this to the credits:

When I receive Menu
Hide

and add this to the background, play button, and credits button:

When I receive Menu
Show

And only add this to the above code for the buttons:

Go to Front

I believe that's it, if you have any questions, go ahead and ask, or if it doesn't work.

~Spine