Is there a Maximum sise of the game file? For example …mb
Afaik there is no explicit one, but at some point if your own storage space gets too low it can not fit in anymore, and the bigger the file the bigger will the time required to load and save it be. Though it is unlikely you ever reach such a big file, and if you do, there is probably something you need to optimize. Try using link events and external events 
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