Realms of Arkania: Blade of Destiny is a role-playing video game based on a pen & paper game created by who?
Realms of Arkania: Blade of Destiny:  It was the first game based on the German pen & paper RPG system "The Dark Eye" by Fantasy Productions. The Dark Eye: The Dark Eye is a German role-playing game created by Ulrich Kiesow and launched by Schmidt Spiel & Freizeit GmbH and Droemer Knaur Verlag in 1984.
Ulrich Kiesow