'Grand Theft Auto VI' leak is a shock to video game studio Rockstar

Employees of Rockstar Games, the Take-Two studio that makes 'Grand Theft Auto', were stunned by the leak, the people familiar with the project said. — Christian Wiediger on Unsplash

A hacker published authentic, pre-release footage from development of Grand Theft Auto VI, the most anticipated video game from Take-Two Interactive Software Inc.

The cache of videos offers an extensive and unauthorised look at the making of one of biggest games in the industry. A leak of this scale is so rare that some people cast doubt on its authenticity, but people familiar with the game’s development said the videos are real.