The Overworld is one of the three accessible worlds, the others being the Nether and The End. The Overworld is where the main character spends most of their time. The overworld is similar to earth. There are twelve types ofbiomes in the Overworld, these being the Desert, Jungle, Forest, Mushroom Island, Tundra, Taiga, Plains, Mesa, Savana, Swamp Biomes and the Extreme Hills biome. Looking at World size, The Overworld measures 60 Mm by 60 Mm (30 million blocks in each direction from world's center), giving a surface area of 3.6 billion km2, or about 7 times the area of Earth's 510 million km2.