Most importantly, Kiesow was the creator of the pen and paper role-playing gameThe Dark Eye, and its accompanying universe. Besides contributing to many publications regarding this game, Kiesow used the pseudonymAndreas Blumenkamp to write satirical articles for the now defunct German roleplaying game magazine Wunderwelten that was produced by FanPro.[2]
Kiesow suffered a severe heart attack in August 1995. While recovering, he began to write the Dark Eye novel Das zerbrochene Rad (The broken wheel, a symbol for death in the universe of The Dark Eye). The novel had just been completed when Kiesow died of heart failure in his home on 30 January 1997.[2]