You could explained like that from the start ...
Make a variable " OnGameStarted " ( Starts with 0 )
And add this action to your " on clicked : Start Game ( Button ) "
Set " OnGameStarted " to 1
And add to all your events that start when the actual game layout starts
if "OnGameStarted" = 1
Also , Please take note that we are here to help you ... I'm not trying to be rude , but try to be at my place , I can't imagine your game in my mind ... I helped more than 100 buddies here and i'm really proud of myself !
Just ask , I'm here to help you ...