The problem with making your game 'uncopyable' is that if there's a bug or issue in the game the player would have to wait on the creator to fix it before they can progress. It can get pretty annoying when playing an RM game to have to wait to progress when in a normal RM game you could just open the game up and fix it yourself. (If you know what you're doing, that is.) Of course, it's understandable that you don't want people stealing your scripts/resources, but if they really want to do so, there are ways to break into a game. Hell, even a simple screen shot can be used to rip sprites - look at all the game rips within the community! Thankfully the community tends to take care of each other when it comes to recognisable rips from indie games and attaches a lot of negative stigma to the persons caught doing it.