The eagerly awaited RPG The Witcher 3: Wild Hunt is the biggest adventure to date from CD Projekt Red. But it's not just the most ambitious game from the Polish developer to date, it's also largest game to hit PlayStation 4. As mentioned in the Playstation Store, the RPG fills up 50 GB of disc space. Grand Theft Auto V, another beast, asked for just 41 GB. The Witcher 3: Wild Hunt is out on 19 May for PC, PS4 and Xbox One.