Hot take: the back half of Blockbusters '80. It's like every instrument had a solo at the same time and it sounds like a car wreck.
The '90s was a wasteland for game show music. TJW '90, TTD '90, LMAD '90 (that pan flute makes it age like milk), the Scrabble '93/Scattergories duo, Debt, Shop 'Til You Drop, Quicksilver, and so on.