Halo Infinite is split between 2 main modes, Campaign and Multiplayer.
Multiplayer includes seasons and has a battle pass. According to head of creative
Joseph Staten in a Halo Waypoint blog post, the first season of the free-to-play
title's multiplayer will run until May 2022, instead of the pre-planned three months
per season.
The modes in the multiplayer include Capture The Flag,
Fiesta, Oddball,
Slayer, Stockpile, Strongholds, Total Control.
For Halo the Halo Infinite Campaign, Halo Infinite's story will follow the events of Halo 5: Guardians, which saw the AI Cortana return and use ancient Forerunner war machines called Guardians to take control of the galaxy. The long-time Halo companion believed that the "Created," or AIs, should lead and protect the universe. Based on dates located in Halo Infinite trailers, the game takes place in 2561, three years after Cortana's takeover.
Updated 1/23/2022