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Logo used for REDengine 3.
Logo used for REDengine 3.
Original author(s)Tomek Wójcik
Bartek Wroński
Balázs Török
Developer(s)CD Projekt Red
Initial releaseMay 2011; 12 years ago (2011-05)
    PlatformMicrosoft Windows, OS X, Linux, Xbox 360, Xbox One, PlayStation 4, Nintendo Switch
    TypeGame engine
    LicenseProprietary Logo.png Search REDengine on Amazon.

    REDengine is a game engine developed by CD Projekt Red exclusively for their nonlinear role-playing video games.[1] It is the replacement of the Aurora Engine CD Projekt Red had previously licensed from BioWare for the development of The Witcher.


    REDengine is portable across 32- and 64-bit software platforms and runs under Microsoft Windows.[1] REDengine was first used in The Witcher 2: Assassins of Kings for Microsoft Windows.[2] REDengine 2, an updated version of REDengine used in The Witcher 2,[1] also runs under Xbox 360[3] and both OS X[4] and Linux, however these ports were made using a compatibility layer similar to Wine called eON. REDengine 3 was designed exclusively for a 64-bit software platform, and also runs under PlayStation 4[5] and Xbox One.


    REDengine 2[edit]

    REDengine 2 utilized middleware such as Havok for physics, Scaleform GFx for the user interface, and FMOD for audio.[6] The engine was used for the Xbox 360 port of The Witcher 2.[7]

    REDengine 3[edit]

    REDengine 3 was designed to run exclusively on a 64-bit software platform. CD Projekt Red created REDengine 3 for the purpose of developing open world[1] video game environments, such as those of The Witcher 3: Wild Hunt.

    It introduces improvements to facial and other animations.[1] Lighting effects no longer suffer from reduced contrast ratio.[1] REDengine 3 also supports volumetric effects enabling advanced rendering of clouds, mist, fog, smoke, and other particle effects. There is also support for high resolution textures and mapping, as well as dynamic physics and an advanced dialogue lip syncing system. However, due to limitations on texture streaming, use of high resolution textures may not always be the case.

    REDengine 3 has a flexible renderer prepared for deferred or forward+ rendering pipelines.[1] The result is a wide array of cinematic effects, including bokeh depth-of-view, color grading and lens flares associated with multiple lighting.[1]

    The terrain system in REDengine 3 uses tessellation and layers varying material, which can then be easily blended.[1]

    REDengine 4[edit]

    Cyberpunk 2077 will use REDengine 4, the next iteration of the REDengine.[8]

    It introduces support for ray-traced global illumination and other effects, and this technique will be available in Cyberpunk 2077.[9]

    Games using REDengine[edit]

    Version Title Release date References
    1 The Witcher 2: Assassins of Kings 17 May 2011
    2 The Witcher 2: Assassins of Kings Enhanced Edition 17 April 2012
    3 The Witcher 3: Wild Hunt 19 May 2015 [10]
    The Witcher 3: Wild Hunt Complete Edition 15 October 2019 [11]
    4 Cyberpunk 2077 17 September 2020 [12]


    1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 "CDPRED: "RED Engine 3 is a revolution in RPGs"". IGN. 1 February 2013. Retrieved 25 March 2013.
    2. O'Connor, Alice (10 November 2010). "The Witcher 2 Dev Diary Introduces New Engine". Shacknews. Retrieved 4 June 2011.
    3. Peckham, Matt (25 March 2010). "The Witcher 2 Announced, 'Non-Linear' with 'Smoother' Combat". PCWorld. Retrieved 4 June 2011.
    4. "The Witcher 2 Is Coming To Mac". Forbes. 30 May 2012. Retrieved 15 August 2012.
    5. Yin-Poole, Wesley (21 February 2013). "The Witcher 3: Wild Hunt confirmed for PlayStation 4 in 2014". Retrieved 22 February 2013.
    6. Leadbetter, Richard (24 January 2016). "The Making of The Witcher 2". Eurogamer. Retrieved 7 June 2016.
    7. Hinkle, David (1 February 2013). "CD Projekt Red introduces REDengine 3, latest iteration of in-house tech". Engadget. Retrieved 7 June 2016.
    8. Morris, Tatiana (22 March 2017). "New Cyberpunk 2077 details suggest mid-2019 release". GameZone.
    9. "Cyberpunk 2077 will support Nvidia RTX ray tracing at launch". PC Gamer. 11 June 2019. Retrieved 11 June 2019.
    10. "No More Lurking In The Shadows: The Witcher 3 Released". Rock, Paper, Shotgun. 19 May 2015. Retrieved 11 June 2019.
    11. Reichert, Corinne. "The Witcher 3 is now out on Nintendo Switch". CNET. Retrieved 2019-10-21.
    12. "Get ready. We have a city to burn. #Cyberpunk2077 16.04.2020". Twitter. Retrieved 11 June 2019.

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