How do I save a global variable? (Like flappy birds score)

I want to save a global variable so that when the game loads the high score from the previous time you opened the game is still there? surely I can do this without any online stuff

You need to use webstorage. I save a game highscore there.

If I were to give you my capx file or show you my code, could you tell me how to do? Regardless of how I try it doesn't work :/

DylanBannan, please don't start multiple threads with the same request - you currently have 3 requesting help for web storage, all started within an hour of each other.

Have you searched the tutorials?

DylanBannan I don't want to edit your .capx. But i can take a several sscreenshot of my work.

drive.google.com/file/d/0B9kuXoWVwWfpTGlmbmlpNTlkU28/edit?usp=sharing

at start of the game it trying to see, variable best in webstorage exist? If no, they set it.

drive.google.com/file/d/0B9kuXoWVwWfpT3R0T25pUmstdUk/edit?usp=sharing

And next, they compare score with bestscore.

Check this: scirra.com/manual/120/webstorage