It was originally so successful because of the original graphical integrity, being a launch title for the original Xbox, and for being around before CoD could hog the show. Plus great mechanics, fun Co-Op gameplay and a fun (and surprisingly deep) story. These together made Halo into a juggernaut.

What is the ring in Halo?

Background. A section of a Halo’s surface. As it is known in modern times, the Halo Array is a network of seven ring-shaped megastructures created by the Forerunners, designed to exterminate all sentient life within the Milky Way galaxy.

Why is Halo 5 multiplayer so bad?

Perhaps 343 Industries wanted to ‘modernise’ Halo, that answer’s the why. Why it was so badly received was due to many reasons. Lack of split screen co-op, terrible networking for custom games, no Forge at launch, and microtransactions just to name a few.