Question: Who is the creator of the tabletop roleplaying game beside Adam Koebel which won the 2013 ENnie award for "Best Rules"
Sentence (from "Powered by the Apocalypse"): "Apocalypse World" won the 2010 Indie RPG Awards for "Most Innovative Game" and Dungeon World won the 2013 ENnie award for "Best Rules".
Relevant evidence: Yes