This is not really possible if you are working on a mass-market product, like a videogame. Financial success is synonymous with publicity, so if you STFU you will almost certainly not succeed.
Sure, you don't need to brag about it or post sales figures directly on your site (Minecraft), but people are going to notice and often try to clone your game.
Sure, you don't need to brag about it or post sales figures directly on your site (Minecraft), but people are going to notice and often try to clone your game.