AusGamers has reviewed Metal Gear Solid V: Ground Zeroes and writes:
"The buzz you may have heard is, this is a relatively short campaign that can pretty much be knocked over in roughly two hours, and this is correct. However, what Ground Zeroes does is offer a compelling package of bite-sized replayability baselined with an equally compelling rewards system. The more you play, the more you unlock to uniquely replay. It also manages to slowly flesh out a chunk of what will be the main story for The Phantom Pain when it’s released next year, but what I feel the game does more importantly, is ready players for the density of the expanded MGS experience, while equally serving as a feedback platform for The Phantom Pain’s final design."