Once you are done, click on ' Create New World' and your seed will boot up.Another screen will show up where you can choose ' More World Options.' This is where you will want to have your codes available.Click on the ' Create New World' button.Minecraft PE also allows you to create worlds separate from the random ones automatically generated by the game. First, head to the World Generator, where you can consistently upload the same biomes and structures each time. If you’re just starting out in Minecraft, creating a new world in the game is much easier than you may think.