Software licensing has been a way to control not only the quality of products for game consoles, but also limit what developers could do. From the Nintendo Entertainment System onward, Nintendo has used a variety of lockout chips and DRM in order to make sure all of the products on their consoles had the Nintendo Seal of Approval. Their efforts kept quality much higher than in the previous era of gaming, but did not completely stomp out all unlicensed products and games. For the GameCube, Wii, and many other …