Zekkyou on 15 November 2015
Final Fantasy 14 by a significant margin. I've not been particularly adventurous with my gaming this year (nor in-fact played FF14 as much as i did last year), but so far I've sunk 579h23m into FF14 in 2015. It's been my go-to game for relaxing in the last few years.
Monthly break down for funsies:
January was a dull month 
