Minecraft is to three-dimensional sandbox game that have no specific goals for the player to accomplish, allowing players to great amount of freedom in choosing how to play the game. However, there is an achievement system. Gameplay by default is first person, but players have the option to play in third person mode. The core gameplay revolves around breaking and placing blocks. The game world is composed of rough 3D objectsmainly cubesarranged in to fixed grid pattern and representing different materials, such ace dirt, stone, various ores, water, lava, tree trunks, etc. While players can moves freely across the world, objects can only be placed at fixed locations on the grid. Players can gather these Material blocks and place them elsewhere, thus allowing for various constructions.