What is 4x LitRPG?

If you’ve heard the term 4x LitRPG and have been curious, you’re not alone. This is a question I hear often in several LitRPG communities I run online. Below, I’ll give a basic answer to the question “What is 4x LitRPG?” and also delve into why it’s becoming such a popular sub-genre of LitRPG books. Basically, 4x LitRPG refers to LitRPG books where the main character is playing a virtual reality game. The term 4x is short for the popular strategy computer game Civilization, where your goal is to...