First time accepted submitter jeremyp writes "Ordnance Survey intern Joseph Braybrook has created a Minecraft World based upon accurate terrain mapping data of Great Britain. The world accurately represents the whole of Great Britain and surrounding islands (but excludes Northern Ireland and the Channel Islands). It maps 224,000 square kilometres of Great Britain and contains 22 billion blocks. Graham Dunlop (Ordnance Survey Innovation Lab Manager) says: 'We think we may have created the largest Minecraft world ever built based on real-world data.' The map can be downloaded from the Ordnance Survey."