Welcome to Intro class, Werty!

While you may not be able to have exactly the same dream (but who knows?), you can definitely try to create a similar world while lucid and even incubate a non lucid dream. If you are inspired by something that already exists, such as a video game or movie, then it will be easier to soak up the details and then dream about them, rather than creating an imaginary world from scratch. Best of luck in your lucid quest!