Game Engine

The is what controls many aspects of the game such as physics and graphics.
==id Tech 3 Engine==
The id Tech 3 Engine by Id Software is the first engine used by the series. Both the IW Engine and Treyarch NGL are based on it.
*Call of Duty (2003)
*Call of Duty: United Offensive (2004)
*Call of Duty: Classic (2009)
==IW Engine==
===Original===
The IW Engine was developed by Infinity Ward for Call of Duty 2 and was based on Id Tech 3. It's the game engine powering most of the Call of Duty series.
It is used by many games, including:
*Call of Duty 2 (2005) - IW 2.0
*Call of Duty 4: Modern Warfare (2007) IW 3.0
*Call of Duty: World at War (2008) - IW 3.0 (Modified)
*Call of Duty: Modern Warfare 2 (2009) - IW 4.0
*Call of Duty: Black Ops (2010) - IW 3.0 (Heavily Modified)
*Call of Duty: Modern Warfare 3 (2011) - MW3 engine (Modified IW 4.0, unofficially IW 5.0)
*Call of Duty: Black Ops II (2012) - Black Ops II engine (Heavily Modified IW 3.0)
*Call of Duty: Ghosts (2013) - IW 6.0 (Updated MW3 engine)
*Call of Duty: Black Ops III (2015) - Black Ops III engine (heavily modified Black Ops II engine)
*Call of Duty: Infinite Warfare (2016) - IW 7.0 (Modified IW 6.0 engine)
*Call of Duty: Black Ops 4 (2018) - Black Ops 4 engine (heavily modified Black Ops III engine)
*Call of Duty: Black Ops Cold War (2020) - Black Ops Cold War engine (heavily modified Black Ops 4 engine) with tools from IW 8.0
===Revamped===
A revamped version of the engine, named IW 8.0, was developed by Infinity Ward Poland and Infinity Ward LA with assistance from . Its development started five years before the release of Modern Warfare in 2019. In 2022, Infinity Ward released Call of Duty: Modern Warfare II with the updated engine IW 9.0.https://www.thegamer.com/best-game-engines/#iw-engine
*Call of Duty: Modern Warfare (2019) - IW 8.0
*Call of Duty: Warzone (2020) - IW 8.0
*Call of Duty: Vanguard (2021) - IW 8.0
*Call of Duty: Modern Warfare II (2022) - IW 9.0
*Call of Duty: Warzone 2.0 (2022) - IW 9.0
*Call of Duty: Modern Warfare III (2023) - IW 9.0
*Call of Duty: Warzone Mobile (2024) - IW 9.0
*Call of Duty: Black Ops 6 (2024) - IW 9.0
===Sledgehammer Games Engine===
Sledgehammer Games built a custom in house-engine for Call of Duty: Advanced Warfarehttp://www.forbes.com/sites/davidthier/2014/05/06/call-of-duty-advanced-warfare-will-feature-brand-new-engine/#27e8de91260a with little code from the MW3 Engine. An upgraded version was developed for Call of Duty: WWII. It is also used by Raven Software and Beenox for the two remasters of the Modern Warfare series.
*Call of Duty: Advanced Warfare (2014) - Version 1
*Call of Duty: Modern Warfare Remastered (2016) - Version 1
*Call of Duty: WWII (2017) - Version 2
*Call of Duty: Modern Warfare 2 Campaign Remastered (2020) - Version 1
==Treyarch NGL==
Treyarch developed an in-house engine named Treyarch NGL based on the Call of Duty: United Offensive versionhttps://twitter.com/Monsterclip_JM/status/1495811530167885842 of the Id Tech 3 engine. It was only used in two games before it was replaced by IW 3.0 for Call of Duty: World at War.
*Call of Duty 2: Big Red One (2005)
*Call of Duty 3 (2006)
==Asura Engine==
The Asura Engine is the engine used by Rebellion Developments for their version of Call of Duty: World at War.
*Call of Duty: World at War: Final Fronts (2008)
==RenderWare==
The is a game engine developed by . It was chosen by Spark Unlimited for one Call of Duty game.
*Call of Duty: Finest Hour (2004)
==Unity Engine==
 is a generic cross-platform game engine developed by Unity Technologies. So far it's only used for mobile Call of Duty games.
*Call of Duty: Heroes (2014)
*Call of Duty: Strike Team (2013)
*Call of Duty: Mobile (2019)
==Trivia==
*The choice of by Spark Unlimited made the development of Call of Duty: Finest Hour extremely difficult and caused the massive delay of the release date.Call of Duty: Les Coulisses d'une usine à succès by Sébastien Delahaye (in French)
**During the development of the game, Criterion Games, the developer of the RenderWare engine, was acquired by Electronic Arts, one of the rivals of Call of Duty's publisher, Activision.
==References==
Category:Gameplay mechanics