Call of Duty® is a popular video game franchise developed and published by American company Activision. It was first introduced in 2003 and quickly became one of the most successful and iconic video game series in the world. The headquarters of the company is located in Santa Monica, California, United States.

The main product offered by Call of Duty® is a first-person shooter video game that brings players into military-inspired combat scenarios. The franchise releases a new game every year, with each installment focusing on different time periods, locations, and storylines. Call of Duty® games usually feature both a single-player campaign mode and a multiplayer mode that allows players to compete against each other online.

In terms of global operations, Call of Duty® has a strong presence in the gaming industry. The franchise has developed numerous subsidiaries and partnerships to expand its reach and diversify its offerings. Some noteworthy subsidiaries include Treyarch and Infinity Ward, which are responsible for developing and maintaining different installments of the game.

Activision Blizzard, the parent company of Call of Duty®, has also formed partnerships with other companies, such as Tencent, to establish a presence in the Chinese gaming market. Call of Duty® enjoys a dominant market position and is one of the highest-grossing video game franchises globally. Its annual releases consistently generate massive sales figures, often setting new records in the industry.

The franchise's success can be attributed to its engaging gameplay, immersive graphics, and captivating storylines. It has also gained a competitive advantage through its strong multiplayer mode and the introduction of popular game modes like Zombies and Battle Royale. Over the years, Call of Duty® has undergone several significant changes and introduced new strategies to sustain its growth.

One notable shift was the franchise's transition into a three-year development cycle, allowing more time for game development, innovation, and quality improvement. Another significant change was the introduction of a cross-platform playing experience, enabling gamers to play together regardless of their console or PC. As of the latest updates, Call of Duty® continues to release new installments, expand its multiplayer offerings, and explore new gaming platforms and technologies.

The franchise constantly evolves to meet the demands of its fan base and remains a major player in the highly competitive video game industry