baloofarsan on 31 October 2015
https://en.m.wikipedia.org/wiki/List_of_best-selling_video_games
Minecraft is 21,263,365 on PC only. https://minecraft.net/stats
...and over 30 million on mobile. https://mobile.twitter.com/jeb_/status/553645486524350465
Tetris is over 100 million on mobile only. http://www.ea.com/news/tetris-game-surpasses-100-million-mobile-downloads
