Hangar 13 is an American video game developer based in Novato, California, in the area of the former Hamilton Air Force Base. Established with Haden Blackman in December 2014 as a division of 2K (a publishing label of Take-Two Interactive), the company's debut game was Mafia III, released in October 2016.

In 2017, 2K Czech was merged into Hangar 13, wherefore the studio received two additional studios in Brno and Prague; another studio was opened in Brighton in 2018.

On December 4, 2014, 2K announced that it had set up a new game studio, Hangar 13, led by Haden Blackman, formerly creative director for LucasArts. Blackman told GamesBeat that the studio would work on a game for Microsoft Windows, PlayStation 4 and Xbox One. Mafia III, the studio's debut title, was announced in August 2015.

2K Czech, the developer of previous entries in the Mafia series, had a supporting role in the game's development. Mafia III was released on October 7, 2016, for Microsoft Windows, PlayStation 4 and Xbox One. In 2017, 2K Czech was merged into Hangar 13.

In March 2019, it was announced that the studio had collaborated with Gearbox Software to develop a free update for Borderlands: The Handsome Collection, which added 4K graphics to the remastered versions of Borderlands 2 and Borderlands: The Pre-Sequel.

Other events:

- Celebrating 10 years of World Wildlife Conservation Day (December 4, 2012 - December 4, 2022)

- Celebrating 116 years of founding ​Alpha Phi Alpha Fraternity, Inc. (ΑΦΑ), the first African-American fraternity in history (December 4, 1906 - December 4, 2022)

According to en.wikipedia