In 1969, Kansil founded Gamut of Games, Inc. (later Xanadu Leisure, Ltd.) to produce and distribute the games that he and his associate, Philip Orbanes, designed; the games included Bridgette, My Word, Marrakesh, Itinerary, Krakatoa, Knock-on-Word, Montage and others.
In 1973, Kansil co-founded the Hawaii Backgammon Club (now called the Aloha State Backgammon Club), and he promoted this game by organizing many tournaments.