ZeniMax Sweden AB (formerly MachineGames Sweden AB), doing business as MachineGames is a Swedish video game developer based in Uppsala, Sweden. It was founded in 2009 by Jens Matthies, Jerk Gustafsson, Fredrik Ljungdahl, Jim Kjellin, Kjell Emanuelsson, Michael Wynne and Magnus Högdahl, all of which were formerly key members of Starbreeze Studios.

The entire team previously worked on The Chronicles of Riddick: Escape from Butcher Bay (2004) and The Darkness (2007).

On 5 November 2010, MachineGames was acquired by Bethesda Softworks’ parent company ZeniMax Media, and was renamed ZeniMax Sweden AB.
MachineGames developed Wolfenstein: The New Order (2014) and its prequel, Wolfenstein: The Old Blood (2015), using the id Tech 5 game engine.

In 2016, they released an additional episode free for the original Quake in celebration of 20th anniversary for the series.

At E3 2017 Wolfenstein II: The New Colossus was announced with a release date of October 27, 2017 for Windows, PlayStation 4, and Xbox One.