I grew up as a wargamer (did playtesting with SPI) and discovered roleplaying when I was young.
Have mostly played & GMed D&D from the original three white books through present editions.
Greatly enjoy GURPS as it was the first system I played to use the same core rules for multiple genre settings.
Currently enjoying offerings from Free League which include Forbidden Lands & Bitter Reach as well as an excellent reboot of the Twilight 2000 game.