Digbuild is a game that provides a randomized, voxel-based world for the player to explore. In this regard, it’s very similar to Minecraft. You can create and destroy blocks, and thus you can build castles and any other structures that spring to mind. Digbuild has several improvements over Minecraft. The world has infinite height, so you can build structures as tall as you like. Different blocks emit different colors of light, and colored glass blocks filter the light that flows through them. Materials can be translucent. Textures can be bump-mapped and specular-mapped, so glass is shiny and rocks are rough.