Why Do We Love Idle Games?
https://youtu.be/xWxV7RnOFmU
https://www.gamasutra.com/view/news/237926/The_rise_of_games_you_mostly_dont_play.php
http://meminsf.silverstringmedia.com/labour/an-early-history-of-games-designed-for-inactivity/
https://www.reddit.com/r/incremental_games/comments/3om65n/a_brief_history_of_idle_games/
https://metro.co.uk/2016/02/17/runescapes-15th-anniversary-and-a-brief-history-of-idle-games-5695792/
https://www.slideshare.net/Kongregate/idle-games-gdc2015final