Guest speakers honoring Edwards and Cullen included Bob Barker, Dick Clark, Jack Narz, Tom Kennedy, Jayne Meadows and Betty White.
[3] The fourth Congress in 2005 was heavily devoted to remembering the longtime show Concentration and featured panel discussions with producer Norman Blumenthal and undefeated champion Ruth Horowitz.
Guest speakers included comedian Shelley Berman, actress-comedian Pat Carroll, announcer John Harlan, modern era emcees Todd Newton and Guillermo Huesca, producer Stu Billett, and talent coordinator Jean Brown.
J. Keith van Straaten hosted and Jim Newman directed an edition of "What's My Line, Live" with panelists Betsy Palmer, Frank Nicotero, Sarah Purcell and Stuart Shostak.
Guest speakers included Rose Marie, Betsy Palmer, Fred Silverman, Johnny Gilbert, Tom Kennedy, Kathy Garver, Harry Friedman, and Al Howard.
The Los Angeles session featured a tribute to those game show icons who had passed in the previous year (Kitty Carlisle, Tom Poston and Charles Nelson Reilly), speeches by Thom McKee and Charlie O'Donnell to honor Ralph Edwards Award winner Wink Martindale plus speeches by Betty White and Sande Stewart to honor Bill Cullen Award winner Bob Stewart.
[12] The Game Show Congress presented the third Trivia Championships of North America in Las Vegas, Nevada, at the Tropicana Hotel, Resort and Casino August 9–11, 2013.
[13] The Game Show Congress supported the fourth Trivia Championships of North America in Las Vegas, Nevada, at the Tropicana Hotel, Resort and Casino August 8–10, 2014.
[15] The Game Show Congress supported the sixth Trivia Championships of North America in Las Vegas, Nevada, at the Tropicana Hotel, Resort and Casino August 12–14, 2016.
[16] The Game Show Congress supported the seventh Trivia Championships of North America in Las Vegas, Nevada, at the Tropicana Hotel, Resort and Casino August 4–6, 2017.
[17] The Game Show Congress supported the eighth Trivia Championships of North America in Las Vegas, Nevada, at the Tropicana Hotel, Resort and Casino August 3–5, 2018.