[10][11][12] In late July 2021, it was sued by the California Department of Fair Employment and Housing on allegations of sexual harassment and employee discrimination.

Kotick instituted a large restructuring to reduce debt, including renaming the company back to Activision and moving it to Santa Monica, California.

This resulted in Activision publishing several successful series of games, including Tony Hawk's, Call of Duty, and Guitar Hero.

However, after talking to Blizzard's CEO Mike Morhaime, Kotick recognized that Vivendi would be able to give them inroads into the growing video game market in China.

[23] On July 8, 2008, Activision announced that stockholders had agreed to merge, and the deal closed the next day for an estimated transaction amount of US$18.9 billion.

[35] The 2011 release of Activision Blizzard's Call of Duty: Modern Warfare 3 grossed $400 million in the US and UK alone in its first 24 hours, making it the biggest entertainment launch of all time.

[6] Call of Duty: Black Ops III grossed $550 million in worldwide sales during its opening weekend in 2015, making it the biggest entertainment launch of the year.

[7][8] In 2011, Activision Blizzard debuted its Skylanders franchise,[37] which led to the press crediting the company with inventing and popularizing a new toys-to-life category.

[37] On July 25, 2013, Activision Blizzard announced the purchase of 429 million shares from owner Vivendi for $5.83 billion, dropping the shareholder from a 63% stake to 11.8% by the end of the deal in September.

[49] Activision Blizzard joined the S&P 500 stock index on August 28, 2015, becoming one of only two companies on the list related to gaming, alongside Electronic Arts.

[54][55] In June 2017, Activision Blizzard joined the Fortune 500 becoming the third gaming company in history to make the list after Atari and Electronic Arts.

[57] Kotick stated that they plan to put more resources towards their development teams and focus on esports, Battle.net services, and the publisher's core games which include Candy Crush, Call of Duty, Overwatch, Warcraft, Diablo, and Hearthstone.

[59] During the second quarter of 2020, the company's net revenues from digital channels reached $1.44bn due to the growing demand for online games driven by COVID-19 lockdowns.

[60] By January 2021, the company's net value was estimated to be $72 billion based on its stock trading price due to the ongoing demand for video games from the COVID-19 pandemic.

[61] The Public Investment Fund of Saudi Arabia acquired 14.9 million shares of Activision Blizzard, valued at $1.4 billion, in February 2021.

[62] In April 2021, Fernando Machado, former Brazilian executive at Burger King, joined the company as chief marketing officer (CMO).

[69] While the deal has been approved by several countries ahead of the planned October 18, 2023, deal closure, including the European Union and China, both the United States' Federal Trade Commission and the United Kingdom's Competition and Markets Authority have challenged the merger as anticompetitive and have initiated legal procedures in their respective countries.

[73] In May 2022, QA testers of Activision Blizzard subsidiary Raven Software went public as the Game Workers Alliance (GWA) with the support of Campaign to Organize Digital Employees-CWA and voted to unionize with a count of 19 – 2 in favor.

[78] In February 2023, Activision Blizzard announced to employees that it would end its full-time remote policy starting between April and June that year.

[79] On November 30, quality assurance staffers were told that the company would end its hybrid work model and bring employees in Austin, Texas, Eden Prairie, Minnesota and El Segundo, California back to the office full time in 2024.

[81][82] On July 24, 2024, 500 artists, designers, engineers, producers, and quality assurance testers who work on World of Warcraft also voted to unionize.

[92] The inaugural Overwatch Grand Finals was played at the Barclays Center in Brooklyn in July 2018 and attracted 10.8 million viewers worldwide.

[95][96] The company also secured an exclusive multi-year deal with Google to stream all subsequent Activision Blizzard esports events, including Call of Duty and Overwatch events, through YouTube, and to use Google's cloud services for its game hosting infrastructure; this came after a prior two-year deal with Twitch for the Overwatch League had concluded.

[101] In 2013 CODE started the "Seal of Distinction" program, which recognizes non-profit organizations that are successful in placing veterans in good jobs.

[103] The endowment helps soldiers transition to civilian careers after their military service by funding nonprofit organizations and raising awareness of the value veterans bring to the workplace.

[114] Worlds, Inc.'s case presently remains at the Patent Office stage, which is re-reviewing the IPRs in consideration of the Federal Circuit's ruling.

Zampella and West created a new studio, Respawn Entertainment, with help from Electronic Arts' partner program, hiring the majority of those that departed Infinity Ward in their wake.

[117][118][119] Zampella and West filed a lawsuit in April 2010 against Activision, claiming unpaid royalties on the studio's Call of Duty: Modern Warfare 2.

A separate lawsuit was filed against Activision in April 2010 by several current and former members of Infinity Ward on the same basis of lack of unpaid royalties.

[121] In May 2024, families affected by the 2022 Uvalde school shooting filed a lawsuit against Activision Blizzard, alongside Meta and the gun manufacturer.