In Spidersilk the novel, the main character develops games that are a lot like reality. In fact, some of the names he uses even mirror the names we have in our own world. Recently, an interview with a famous game designer was published, which talked about the chances of our own reality being nothing more than a game. Of course, this is a 1 in billions chance, but the idea is quite fascinating.

For more on this concept, check out this link:

http://arstechnica.co.uk/the-multiverse/2016/06/are-we-living-in-a-simulated-reality-elon-musk/