TPiR maintained the #1 daytime game spot throughout the 80s, with Wheel second for quite a few years. I believe Scrabble was #3 for awhile, but don't think it overtook Wheel.
FWIW, the 1993 revival was #2, but out of far less game shows (5 I believe: TPiR, Scrabble, Scattergories, Family Secrets, and Family Feud Challenge).