What is Halo?

Halo is one of those games that needs no introduction. It's a military science fiction first-person shooter video game that's been around since 2001. Over the years, it's become one of the most popular and successful video game franchises in the world.
The game's story takes place in the 26th century, in which a war is raging between humanity and the Covenant, a collective of alien races. The player assumes the role of Master Chief John-117, a super-soldier, and must battle Covenant forces to ensure the survival of humanity.
Halo is known for its large-scale battles, gripping storylines, and memorable characters. Halo has been praised for its graphics, gameplay, and multiplayer modes. The game has sold over 81 million copies worldwide, making it one of the best-selling video game franchises of all time.
In addition to the main franchise, Halo has spawned several spin-offs, including Halo Wars, Halo 3: ODST, and Halo: Reach. It has also been adapted into books, comics, and a television series.