What's wrong with this saving/loading system?

How to make the global variable (coins) to save after closing the game and load after opening it?

Hello, Mike10

I don’t know if I understood correctly. You are working with a scene variable in your actions…

…except in your last event that you are storing the value in “score” using a global variable.

If you don’t need a global variable for cookies you can just change this last action to a scene variable.