The iconic Wheel of Fortune slot machine is marking its 30th anniversary this year, a milestone that underscores how a single game innovation transformed the casino industry and became one of the most enduring brands on gaming floors worldwide — with its roots firmly planted in Las Vegas.

Jean Venneman, now chief studios officer at Las Vegas-based IGT, was a key player in the machine’s design three decades ago. She recalls being on the casino floor at the Mirage in December 1996 when strangers became the first to play the new game during a field test on the Strip.

“Watching those first players play was very exciting, but also a little bit frustrating,” Venneman said. “Because it was new, they didn’t necessarily know what to do. They would trigger the wheel sequence, and then they would just stare at it, like saying, ‘Now what?’ And we had a big button that was flashing, saying, ‘Spin the wheel.'”

The inaugural Wheel of Fortune machine was a “stepper slot” with physical spinning reels and the brand’s symbol on the third reel. It was IGT’s first game to feature a customized sound package — the machine literally says and sings “Wheel of Fortune” — and the spinning wheel accessory that quickly became its signature draw.

“It was all about the spinning of the wheel,” Venneman said. “Players played, especially in those early days, entirely to be able to spin the wheel. In fact, there’s a couple of stories where the players would win one of the major jackpots and be unhappy because they weren’t able to spin the wheel, as well.”

That first iteration has since evolved into over 300 versions spanning video games, video slots, super spins, other bonuses and 4D experiences. The game has made over 1,200 millionaires since its inception and paid out more than $3.7 billion, according to Roger Pettersson, IGT’s vice president of premium and core products.

The partnership between IGT and Sony Pictures Entertainment pioneered the concept of licensed brands on the casino floor — a concept that was completely new at the time. Venneman recalled that producers of the “family show” had concerns about how the brand would be represented on a gambling machine, requiring careful negotiations to ensure the slot maintained the show’s wholesome image.

The success of Wheel of Fortune spawned a wave of branded games across the industry, though their popularity has ebbed and flowed over the decades. Venneman credited the game’s longevity to the show’s cross-generational appeal and its unique tie between the brand and the bonus experience.

“The fact that grandmothers and teenagers both know what Wheel of Fortune is, I think, is one of the keys,” she said. “We are 30 years into this partnership, and there’s no end in sight.”