It is the start of Q4 of the 2019 and The Esports Observer has released the figures for the Most Relevant PC Video Games for the 2019 Q3.
The graph are as follow:
https://esportsobserver.com/q3-2019-pc-games-index/According to The Esports Observer’s article. The Tier 1 on index is accounted by the number of player playing the game and the size of the competitive Infrastructure. In Short, Most Players + Large Competitive Infrastructure = Rank 1.
To read further of the article, please do check the link provided or by clicking on the graph above!
Credits: The Esports Observer (https://esportsobserver.com/q3-2019-pc-games-index/)