The game would also showcase volumetric fog.

The technologies included Real Time Lighting which allowed 'the lighting to be adjusted in real time during development' as well as global illumination and ray-tracing. While sharing 'underlying technology' with the revamped engine from Call of Duty: Modern Warfare, Black Ops Cold War used a different iteration of the IW Engine whose tools and technologies were created in 2015 starting with Call of Duty: Black Ops III and rebuilt 'to be scalable and broad to work on future platforms'. The two studios focused on different parts of the game Raven Software designed the Campaign mode while Treyarch developed its Multiplayer and Zombies modes. On August 4, 2020, Activision announced that Treyarch and Raven Software were co-developing the game which would be known as Call of Duty: Black Ops Cold War. In May 2019, it was reported that Treyarch would take over the Call of Duty 2020 project following tensions between Sledgehammer Games and Raven Software during the development of the game.

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