|Platform||PlayStation 3, Xbox 360, Microsoft Windows|
The Fox Engine is a cross-platform game engine built by Kojima Productions for use in future titles developed by the team. It is believed that this engine is designed for the next generation of video games. The engine was revealed by Konami on June 3, 2011. The engine's development began after the completion of Metal Gear Solid 4: Guns of the Patriots with the goal of making the "best engine in the world."
The engine will make it possible for Kojima Productions to develop multiplatform games with a significantly shortened development time and has been described as the first step for the developer to move away from development for a single platform. The engine is named after FOX, a fictional military unit from the Metal Gear series, wherein is also a reflection of Kojima Productions itself, which based its company logo on FOX's fox emblem.
A demo of the engine was shown at Konami's conference at E3 2011. Taking place in a jungle environment, the demo showed off the engine's visual capabilities and featured a young man running around, a horse and a dog. The tech-demo was not a game that will be released but instead a test area for the development of the engine. Kojima Productions will use the engine for all future titles, including the next iteration in the Metal Gear franchise, Metal Gear Solid: Ground Zeroes, which was revealed by Hideo Kojima, the series creator at a special 25th anniversary of the series event in Tokyo.
On August 17, 2011, Kojima released a series of images on Twitter. The images were of facial tests created in the Fox Engine. In addition, during a lecture at the University of Southern California held by Hideo Kojima, an image was shown to various students in a demonstration of the Fox Engine's capabilities with a scene depicting a forest environment. Later, on December 16th, Kojima released more images over Twitter, including one image showcasing cloth transparency features.
On March 2, 2012, the Development Without Borders website uploaded a "classified" CD labelled "Fox Engine Lighting Sample" that contained a question as to which of the two pictures was a simulation of the staff room created by the Fox engine. Clicking on it will reveal that Side B was the correct answer, and explains how it does it. The second slide also depicts some hoops and levitating balls of varying colors in the "seats" of the table, as well as a horse entering through the room.
At an event on May 25, 2012, Kojima confirmed that work on the next installment in the Zone of the Enders series had begun, and is in the early prototyping phase. The game is to be developed using the Fox Engine.
On June 8, 2012, in an interview with CVG, Kojima confirmed that the FOX Engine was running on 'PS3, 360 and current PCs'.
On the March 14 GTTV episode, Joakim Mogren, the head of "Moby Dick Studio", showed off some screenshots of their recently announced The Phantom Pain via iPad. Some of the screenshots contained the Fox Engine logo on the bottom right corner, with Geoff Keighley pointing this out to Mogren and asking why they were present. Mogren appeared nervous after being asked, although gaming websites deduced that the interview had been staged.
On March 27, The Phantom Pain was revealed to be Metal Gear Solid V. Kojima explained that Phantom Pain was presented as a project unrelated to the Metal Gear franchise in order to better observe the public response to the Fox Engine's capabilities. 
Games using Fox Engine 
|Pro Evolution Soccer 2014||2013||Microsoft Windows, PlayStation 3, Xbox 360||Sports|
|Metal Gear Solid: Ground Zeroes||TBA||PlayStation 3, Xbox 360||Stealth action|
|Metal Gear Solid V: The Phantom Pain||TBA||PlayStation 3, Xbox 360||Stealth action|
|Untitled Zone of the Enders game||TBA||TBA||Action|
|The Snowman and The Snowdog||2013||PlayStation 3, Xbox 360, Microsoft Windows||Adventure game|
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- Romano, Sal (2013-03-15). "The Phantom Pain runs on FOX Engine, full reveal at GDC". Gematsu. Retrieved 2013-03-24.
- "Metal Gear Solid V: The Phantom Pain Kojima Interview". GameTrailers. March 28, 2013. Retrieved March 29, 2013.
- Nunneley, Stephany (2013-03-13). "PES 2014 in development for next-gen using FOX Engine". VG247. Retrieved 2013-03-24.
- Fletcher, JC (2012-09-03). "Metal Gear Solid: Ground Zeroes is not 'Project Ogre'". Joystiq. Retrieved 2013-03-24.
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