Treyarch

Treyarch is an American video-game development studio headquartered in Los Angeles, California, with additional locations reported in Vancouver, Canada, and Austin, Texas. Founded in 1996 by Peter Akemann and Doğan Köslü as Treyarch Inventions, the company initially operated as an independent developer before being acquired by Activision in 2001. It subsequently became one of Activision's principal internal development studios and developed a long-running relationship with the Call of Duty franchise. The studio's early work included licensed and cross-platform projects, but its profile expanded substantially through Call of Duty. Treyarch developed Call of Duty: World at War in 2008 and then established the Black Ops sub-series with Call of Duty: Black Ops in 2010. The Black Ops games became a major pillar of the wider Call of Duty brand, combining military-fiction campaigns with competitive multiplayer and, in many entries, the cooperative Zombies mode. Call of Duty: Black Ops II, released in 2012, was particularly significant commercially and culturally; it was reported to have generated approximately $650 million worldwide during its first five days, although such figures describe the game rather than Treyarch as a separately reported business. Treyarch has also contributed to projects outside its core Black Ops identity. Activision announced the studio as one of the developers involved in 007: Quantum of Solace, released in 2008. Treyarch later worked on the Wii U version of Call of Duty: Ghosts and continued to share development responsibilities across the annual Call of Duty release program. Its responsibilities have varied by project and have included leading or co-leading campaign, multiplayer, Zombies, technology, and platform work. In 2020, Treyarch assumed a larger role in the development of Call of Duty: Black Ops Cold War after Sledgehammer Games was removed from the lead position amid reported creative and organizational tensions with Raven Software. Raven led the campaign while Treyarch led multiplayer and Zombies. Treyarch subsequently continued its collaboration with Raven Software on Call of Duty: Black Ops 6, released in 2024, and Call of Duty: Black Ops 7, associated with the 2025 release cycle. Technologically, Treyarch has worked with successive versions of Infinity Ward's IW engine and has significantly modified the technology for its own projects. Its work on Black Ops III introduced extensive upgrades for eighth-generation consoles, while Black Ops 4 added a terrain system designed to support larger environments and multiplayer requirements. For Black Ops Cold War, the studio made further engine upgrades for ninth-generation hardware. Treyarch later participated with Infinity Ward and Sledgehammer Games in a more unified engine initiative based on IW 9.0. Black Ops 6 used that shared technology and introduced Omnimovement, a movement system allowing players to move more fluidly in multiple directions, along with audio and other technical improvements. The studio has experienced leadership changes and public scrutiny within the broader Activision Blizzard workplace controversy. Dan Bunting, a long-serving co-lead, was named in reporting connected with allegations of workplace misconduct and discrimination involving Activision Blizzard; he departed the company after an internal review and renewed media scrutiny. In 2023, design director David Vonderhaar announced his departure after 18 years at Treyarch. Despite these changes, Treyarch remains an active Activision studio and a central developer within the Call of Duty production network.

Treyarch was established in 1996 in the United States by Peter Akemann and Doğan Köslü under the name Treyarch Inventions. The company developed games as an independent studio before Activision acquired it in 2001. The acquisition placed Treyarch within one of the industry's largest publishing organizations and provided a foundation for its later participation in major Activision franchises. In 2005, Gray Matter Studios was merged into Treyarch. The consolidation expanded the studio's internal capabilities and preceded a period in which Treyarch became increasingly important to Activision's console and PC development plans. In 2007, Activision announced that Treyarch would be one of three developers working on 007: Quantum of Solace. Treyarch's version was released in Europe on October 31, 2008, and in North America on November 4, 2008; other versions were handled by Vicarious Visions and Eurocom. Treyarch's most important historical role developed through Call of Duty. The studio produced Call of Duty: World at War in 2008, using a version of Infinity Ward's IW engine. World at War helped establish design and technology practices that Treyarch later applied to the Black Ops line. Call of Duty: Black Ops followed in 2010, expanding the series into a Cold War and covert-operations setting while reinforcing the Zombies mode as a major cooperative feature. Call of Duty: Black Ops II, released in 2012, introduced a more branching narrative structure and became a major commercial success. It was reported to have generated approximately $650 million in worldwide revenue within five days and temporarily held a record for the largest entertainment launch. Treyarch also supported Activision's wider platform strategy, including work to optimize the Wii U version of Call of Duty: Ghosts. The studio continued the sub-series with Black Ops III in 2015 and Black Ops 4 in 2018. Black Ops III involved substantial modifications to the IW engine for eighth-generation hardware. Black Ops 4 added a system described as Super Terrain and was designed to accommodate large-scale multiplayer requirements, including matches involving up to 100 players. These projects reinforced Treyarch's identity as a developer focused on high-production-value shooters, online systems, and cooperative modes. Development responsibilities shifted for the 2020 Call of Duty entry. Sledgehammer Games had initially been expected to lead the project, but reported creative and internal tensions with Raven Software led Activision to assign Treyarch a leading role. The game became Call of Duty: Black Ops Cold War. Raven Software developed the campaign, while Treyarch led multiplayer and Zombies. Treyarch also made major technology upgrades for the transition to ninth-generation consoles. For later Call of Duty projects, Activision's studios pursued a more unified technology base. Beginning with the engine used for Modern Warfare II, Treyarch collaborated with Infinity Ward and Sledgehammer Games on shared tools and technology identified as IW 9.0. Black Ops 6, released in 2024, used this shared foundation and introduced Omnimovement, a movement system intended to give players greater freedom while sprinting, diving, and changing direction. Treyarch continued its collaboration with Raven Software on Black Ops 6 and the subsequent Black Ops 7 project associated with 2025. Treyarch's history has also included leadership turnover and workplace scrutiny. Dan Bunting, who had served as a co-lead since approximately 2003, was discussed in reporting connected to the California lawsuit against Activision Blizzard and allegations of workplace misconduct. He later left the company after further reporting. In August 2023, design director David Vonderhaar announced his departure after 18 years. Treyarch nevertheless remains an active Activision development studio and a central contributor to the Call of Duty franchise.

• 2025

  Call of Duty: Black Ops 7 enters the release cycle

  [1]Treyarchen.wikipedia.org

  Treyarch continues its collaboration with Raven Software on the next Black Ops project.

• 2024

  Call of Duty: Black Ops 6 launches

  [1]Treyarchen.wikipedia.org

  The game uses the shared IW 9.0 technology and introduces Omnimovement.

• 2023

  David Vonderhaar leaves Treyarch

  [1]Treyarchen.wikipedia.org

  The studio's longtime design director announces his departure after 18 years.

• 2020

  Treyarch leads multiplayer and Zombies for Black Ops Cold War

  [1]Treyarchen.wikipedia.org

  Treyarch assumes a leading development role on the 2020 Call of Duty entry alongside Raven Software.

• 2018

  Call of Duty: Black Ops 4 introduces Super Terrain

  [1]Treyarchen.wikipedia.org

  Black Ops 4 adds a new terrain system and supports large-scale multiplayer design.

• 2015

  Call of Duty: Black Ops III expands the engine

  [1]Treyarchen.wikipedia.org

  Treyarch substantially upgrades its technology for eighth-generation consoles in Black Ops III.

• 2012

  Call of Duty: Black Ops II is released

  [1]Treyarchen.wikipedia.org

  Black Ops II becomes a major commercial success and sets a reported entertainment-launch record.

• 2010

  Call of Duty: Black Ops is released

  [1]Treyarchen.wikipedia.org

  The first Black Ops title establishes a major Treyarch-led branch of the Call of Duty franchise.

• 2008

  World at War and Quantum of Solace released

  [1]Treyarchen.wikipedia.org

  Treyarch releases Call of Duty: World at War and contributes to 007: Quantum of Solace.

• 2005

  Gray Matter Studios is merged into Treyarch

  [1]Treyarchen.wikipedia.org

  Activision consolidates Gray Matter Studios with Treyarch.

Showing the 10 most recent.

A major first-party Activision development studio specializing in blockbuster first-person shooters, especially the Call of Duty: Black Ops sub-series, with recognized expertise in multiplayer systems, cooperative Zombies gameplay, console optimization, and shared-engine development.

• First-person shooter · 2008

  Call of Duty: World at War

  Released in 2008, World at War was Treyarch's major early contribution to Call of Duty. It presented a World War II setting and helped establish the studio's role as a principal Call of Duty developer. The game also included an early version of the cooperative Zombies concept that later became closely associated with Treyarch's work.

• First-person shooter · 2010

  Call of Duty: Black Ops

  The 2010 Black Ops introduced Treyarch's covert-operations and Cold War-centered branch of the Call of Duty universe. It combined a cinematic single-player campaign with competitive multiplayer and cooperative Zombies gameplay, establishing the thematic and structural foundation for subsequent Black Ops releases.

• First-person shooter · 2012

  Call of Duty: Black Ops II

  Black Ops II expanded the series with a narrative spanning different periods and greater campaign branching. It retained competitive multiplayer and Zombies while becoming one of Treyarch's most commercially prominent releases. The game reportedly generated approximately $650 million worldwide during its first five days.

• First-person shooter · 2015

  Call of Duty: Black Ops III

  Released in 2015, Black Ops III moved the series toward a futuristic setting and incorporated extensive technological changes for eighth-generation consoles. It continued Treyarch's emphasis on multiplayer and Zombies while using a heavily modified version of the IW engine.

• First-person shooter · 2018

  Call of Duty: Black Ops 4

  Black Ops 4 focused heavily on competitive multiplayer, specialist characters, and Zombies, while also introducing the Blackout battle-royale mode. Treyarch developed a Super Terrain system and technology capable of supporting large multiplayer environments and high player counts.

• First-person shooter · 2020

  Call of Duty: Black Ops Cold War

  Black Ops Cold War was released in 2020 after Treyarch took a leading role in development alongside Raven Software. Raven handled the campaign, while Treyarch led multiplayer and Zombies. The project also included major engine work for the transition to ninth-generation console hardware.

• First-person shooter · 2024

  Call of Duty: Black Ops 6

  Black Ops 6 uses the shared IW 9.0 technology developed across Activision's major Call of Duty studios. Treyarch introduced Omnimovement, which gives players expanded movement options during sprinting, diving, and directional changes, and also delivered audio and other technical upgrades.

• First-person shooter · 2025

  Call of Duty: Black Ops 7

  Black Ops 7 is part of Treyarch's continuing Black Ops development program and collaboration with Raven Software. The available reference material identifies it as a 2025 project but does not provide a fuller product description.

• Licensed action game · 2008

  007: Quantum of Solace

  Treyarch was one of the developers involved in Activision's 2008 James Bond adaptation. Its version was released for selected platforms, while Vicarious Visions and Eurocom handled other platform versions.

• 2021

  Workplace-misconduct allegations involving Dan Bunting

  Dan Bunting, a longtime Treyarch co-lead, was named in reporting concerning allegations of workplace misconduct and discrimination connected with the wider Activision Blizzard workplace controversy and litigation. Reporting stated that he later left the company after additional scrutiny.

  Source

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• 2022

  Participate in a unified Call of Duty engine effortStrategy

  Background

  Activision's Call of Duty studios sought common tools and technology so that multiple developers could work more consistently across annual releases.

  Action taken

  Treyarch collaborated with Infinity Ward and Sledgehammer Games on the shared IW 9.0 engine technology.

  Aftermath

  The shared foundation supported later Treyarch work, including Omnimovement in Black Ops 6.

  Source

• 2020

  Take over a leading role on Black Ops Cold WarStrategy

  Background

  Sledgehammer Games was initially expected to lead the 2020 Call of Duty project, but reported tensions and creative differences with Raven Software affected the development arrangement.

  Action taken

  Activision assigned Treyarch to lead multiplayer and Zombies development, while Raven Software handled the campaign.

  Aftermath

  The arrangement produced Call of Duty: Black Ops Cold War and established another significant Treyarch-Raven collaboration.

  Source

• 2005

  Consolidate Gray Matter StudiosM&A

  Background

  Activision sought to consolidate development resources within its internal studios.

  Action taken

  Gray Matter Studios was merged into Treyarch.

  Aftermath

  The merger expanded Treyarch's position within Activision's studio structure.

  Source

• 2001

  Join Activision through acquisitionM&A

  Background

  Treyarch had operated as an independent developer since its founding in 1996.

  Action taken

  Activision acquired the studio and integrated it into its development organization.

  Aftermath

  The acquisition gave Treyarch a long-term position within Activision's first-party studio network and supported its later work on Call of Duty.

  Source

• 2024

  Call of Duty: Black Ops 6 introduces Omnimovement[1]Treyarchen.wikipedia.org

  Product launch · Product generation

  Black Ops 6 used Treyarch's work on the shared IW 9.0 technology and introduced Omnimovement, alongside audio and other technical upgrades.

• 2023

  David Vonderhaar announces departure from Treyarch[1]Treyarchen.wikipedia.org

  Leadership change

  Long-serving design director David Vonderhaar announced that he would leave Treyarch after 18 years with the studio.

• 2020

  Treyarch takes a leading role on Call of Duty: Black Ops Cold War[1]Treyarchen.wikipedia.org

  Leadership change · Product launch

  After reported difficulties between Sledgehammer Games and Raven Software, Activision assigned Treyarch to lead multiplayer and Zombies development alongside Raven.

• 2012

  Call of Duty: Black Ops II sets an entertainment-launch record[1]Treyarchen.wikipedia.org

  Product launch

  Black Ops II became one of the strongest launches in entertainment history and reportedly reached approximately $650 million in worldwide sales during its first five days.

• 2008

  Treyarch contributes to 007: Quantum of Solace[1]Treyarchen.wikipedia.org

  Product launch

  Activision announced Treyarch as one of the developers working on the publisher's James Bond game 007: Quantum of Solace.

• 2005

  Gray Matter Studios is merged into Treyarch[1]Treyarchen.wikipedia.org

  M&A

  Activision merged Gray Matter Studios into Treyarch, consolidating development resources within the publisher's studio network.

• 2001

  Treyarch is acquired by Activision[1]Treyarchen.wikipedia.org

  M&A

  Activision acquired Treyarch, bringing the previously independent developer into its internal studio organization.

1. 1Treyarchen.wikipedia.org
2. 2Activision Blizzard CEO Bobby Kotick Knew of Sexual-Misconduct Allegations at Companywsj.com