What if our existence is a mere simulation within a simulated universe?

Let's say we are living in a universe that was created by a highly advanced civilization. This universe contains countless stars, galaxies, and planets and it has been around for billions of years. These advanced beings were able to create our existence through a vast array of simulated elements, like our senses, emotions and the physical laws of our universe. <br><br>We are just like characters in an incredibly complex computer game. What are the consequences of this scenario and what are your thoughts on it?