Journalist Anand Ingalagi's book El Dorado, which detailed the events at the Kolar Gold Fields (K.G.F.) between 19, was banned by the Indian government, but a television news channel procures a copy and interviews him. At the 66th Filmfare Awards South, the film won two awards from five nominations, including the award for Best Film and Best Actor for Yash. At the 66th National Film Awards, the film won two awards for Best Action and Best Special Effects. The film received mixed reviews from critics however, it performed well commercially and collected ₹2.5 billion (equivalent to ₹2.8 billion or US$36 million in 2020) in its entire theatrical run, becoming the highest-grossing Kannada film and turned out to be a cult hit. The Kannada version of K.G.F: Chapter 1 was released on 20 December 2018 and the dubbed versions in Telugu, Tamil, Malayalam and Hindi released the next day. Bhuvan Gowda handled the cinematography and Srikanth Gowda edited the film. The film's production was completed in August 2018.
Most of the film is set in the Kolar Gold Fields and was filmed in locales such as Kolar, Mysore, and parts of North Karnataka. Filming began two years later, in January 2017. The film's development began in early 2015, after Neel finished writing the screenplay. After being offered the total control of Mumbai by his employer's boss, he disguises himself as a slave-laborer in the Narachi limestone mine (Kolar Gold Fields), aiming to assassinate Garuda, the future heir of Kolar Gold Fields. The film focuses on Rocky, a high-ranking assassin in Mumbai, who was born in poverty. Filmed on a budget of ₹800 million (equivalent to ₹910 million or US$11 million in 2020), it was the most expensive Kannada film at the time of its release.
Simha, Achyuth Kumar, and Malavika Avinash appear in supporting roles. Anant Nag narrates the film, while Srinidhi Shetty, Vasishta N. The film features Yash as Rocky while debutant Ramachandra Raju features as Garuda. It is the first of two installments in the series, followed by K.G.F: Chapter 2. K.G.F: Chapter 1 is a 2018 Indian Kannada-language period action film written and directed by Prashanth Neel, and produced by Vijay Kiragandur under the banner of Hombale Films.