Players who purchase the Vault Edition will receive 10 hours of Double XP Tokens and 10 hours of Double Weapon XP Tokens for use in Call of Duty: Modern Warfare II. XP Tokens will be waiting for you and available to use in-game at launch.

However, if you do own Modern Warfare 2, then Warzone 2 has appeared within the main menu as an option, so you don't need to install it separately.

In the archive, you can read about each Doodle and learn about the topic at hand, and often read about the artist as well  there's also a section for interactive Doodles you can revisit. You can even check out the history of Doodles for any specific day.

Can you play old Google Doodle games? Yes, you can. Google archives old Doodle games on its dedicated Google Doodles page. You can browse Google Doodle Archive to find old games and doodles the company used in the past for the search engine's home page.