I think this approach is evident in Metal Gear Solid Ground Zeros (http://www.eurogamer.net/articles/2013-11-04-metal-gear-solid-5-ground-zeroes-due-spring-2014

I think this approach is evident in Metal Gear Solid Ground Zeros (http://www.eurogamer.net/articles/2013-11-04-metal-gear-solid-5-ground-zeroes-due-spring-2014 http://www.eurogamer.net/articles/2013-11-04-metal-gear-soli...). It's a level of the main game, but they are actually releasing it for $29. Taking this approach to the next level!