From Blockate Wiki

Worlds are the individual creations of players in Blockate. It costs 500 Blux to make a Blockate world. The first world you obtain in blockate is free and you can get another free one by joining the group

If you want to share your Blockate world with friends, you can use the following link:, with WORLDID replaced with your worlds id that is found by using the command !id. Anyone who clicks the link will be sent to your Blockate world without having to do anything. Example:

Without a thumbnail for your world, the thumbnail will automatically change as your block count goes up.