According to the Korean Film Council, the film sold some 14.54 million tickets as of Monday.
The comedy attracted more than 5 million viewers in the first 10 days after its release on Jan. 23, and crossed the 10-million-viewer mark in about two weeks.
It became the most successful Korean comedy and the second-most-viewed film of all time in any genre.
It now remains to be seen whether it can break the record held by the 2014 period filck "The Admiral: Roaring Currents", which has been Korea's top-grossing film ever with 17.61 million viewers.
"Extreme Job" revolves around a team of narcotics detectives who go undercover in a fried chicken restaurant to take down an organized drug ring.
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