Decima is a proprietary game engine made by Guerrilla Games and released in November 2013, that includes tools and features like artificial intelligence and game physics. It is compatible with 4K resolution and high-dynamic-range imaging, used for games on PlayStation 4, PlayStation 5, Microsoft Windows, macOS and iOS.

Killzone Shadow Fall is a 2013 first-person shooter video game developed by Guerrilla Games and published by Sony Computer Entertainment for the PlayStation 4. It is the sixth game of the Killzone series and the fourth game of the series for home consoles. Killzone Shadow Fall was released on 15 November 2013 as a launch title for the PlayStation 4 in North America and 29 November 2013 in Europe. Taking place 30 years after the events of Killzone 3, Shadow Fall follows a new set of characters, putting players in the role of Lucas Kellan, a "Shadow Marshal", who is investigating a rising threat in the continuing war between Vekta and the Helghast.