We've seen plenty of videos showing off what can be achieved with a combination of the upcoming Oculus Rift VR technology and a little bit of creativity. A new prototype from Greenwood Games explores the possibilities of putting a game within a game. Alone presents players with a dark room in which they are playing a video game. The player can control the character on the television, while looking around will glance around the room itself.The twist is that -- well, watch the video above to see for yourself.gives us a glimpse at the sort of wonderfully unique experiences that will no doubt come out of Oculus Rift development in the years to come.If you own an Oculus Rift development kit, I'd suggest downloading the free demo and experiencing it for yourself.