If you wanted to really limit it to gamers, why not partner with steam/origin/etc and have them pass out tokens to buyers for use with vendors based on previous

If you wanted to really limit it to gamers, why not partner with steam/origin/etc and have them pass out tokens to buyers for use with vendors based on previous gameplay history. This of course requires vendors to also play with this scheme, which I'm not sure NVIDIA has the clout to ensure that point-of-sale people can enforce this.