Minecraft is a sandbox independent video game originally created by Swedish programmer Markus "Notch" Persson and later developed and published by the Swedish company Mojang and released on November 18th 2011.The creative and building aspects of Minecraft enable players to build constructions out of textured cubes in a 3D procedurally generated world. Other activities in the game include exploration, resource gathering, crafting, and combat. Multiple gameplay modes are available, including survival mods where the player must acquire resources to build the world and maintain health, a creative mode where players have unlimited resources to build with and the ability to fly, and an adventure mode where players play custom maps created by other players. Minecraft is an open world game that has no specific goals for the player to accomplish, allowing players a large 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 objects—mainly cubes—arranged in a fixed grid pattern and representing different materials, such as dirt, stone, various ores, water, and tree trunks. While players can move 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.