Did you spend your childhood with classic computer strategy game? GOG.com gives you the opportunity to remember one of them, for free! On the platform's website you can pick up Europe Universalis II, an RTS from 2001 created by Paradox Development Studio, also known from Crusader Kings or the Hearts of Iron series. All on the occasion of the game's 20th anniversary. The title will be available until October 24, 6:00 AM PT.