If you are using Minecraft to advertise your business, brand, or product, Mojang has a few new rules.

In a post today, Mojang addressed the use of Minecraft by companies in order to advertise and promote unrelated items. Mojang says that this sort of use "doesn't feel right, or more importantly, fun," and outlined what brands can - and can't - do moving forward.

On example: "if you're a movie studio, you can't make a map that uses Minecraft blocks to build out the fictional world of the movie or its characters, and you can't make an official movie trailer out of gameplay footage from that map or mod."

Fans can still create whatever they want, assuming there's no money involved, with the post stating that "the new rules only apply to companies or organisations that are using Minecraft to sell their products or promote their causes."

"We want to empower our community to make money from their creativity, but we're not happy when the selling of an unrelated product becomes the purpose of a Minecraft mod or server," the post reads. "That doesn't feel right, or more importantly, fun. The new rules are an attempt to stop these things from happening. You can read the new rules in the section of the Guidelines called Building Promotions with Minecraft, but here's a quick breakdown for convenience."

According to the post, ad agencies, corporations, non-profits, and politicians are no longer allowed to do the following: