Original sentence: The demonstration with which the new game engine was shown had 20 GB of texture data (using a more advanced MegaTexture approach using textures with up to 128000x128000 pixel resolution) and a completely dynamically changeable world
Edited sentence: The demonstration with which the new game engine was shown had 20 GB of texture data (using a more advanced MegaTexture approach called Virtual Texturing, using textures with up to 128000x128000 pixel resolution) and a completely dynamically changeable world