you manage to keep all your files 100% safe and secure, if it's a hit you're guaranteed to have some random scum of the earth clone your game using other means, maybe programming it themselves or buying existing assets.
That's why some "new" games you see everyday are like:
-A Candy Version of Bejeweled
-A Cookie Version of Bejeweled
-An Egg Version of Bejeweled
-A Poo Version of Bejeweled (Hell, for all we know Bejeweled Itself might be a clone of some other existing game.)
-A Plane version of Flappy Bird
-A Non-Pixel Art version of Flappy Bird
-A Dragon version of Flappy Bird
-A Rooster/Hen/Quail/Peacock/Flamingo/Hummingbird/Ostrich version of Flappy Bird
-A Flying Winged Segmented Turd version of Flappy Bird
Your only hope is to create a game, launch it, get lucky, make another one...
EDIT: CONFIRMED Bejeweled wasn't the original Match-3.