All products and promotions are independently selected by our experts. To help us provide free impartial advice, we will earn an affiliate commission if you buy something. Click here to learn more A video game developer with 20 years experience at Rockstar Games working on the Grand Theft Auto series has issued a warning to fans who are counting down the days until the release of GTA VI, suggesting "people might be a little disappointed."Rockstar Games has been hard at work on the follow-up to Grand Theft Auto V — the biggest-selling entertainment product in history, with $6 billion in revenue to its name since launch — for over a decade now.View Deal | Save 30% on Game Pass subscription at CD KeysView Deal | Shop the PlayStation Summer Sale from Sony That drawn-out development cycle is the opposite approach to most of the other chart-topping game series, like Call of Duty, EA Sports FC, and Pokémon, which typically launch new entries every year.