Halo: The Master Chief Collection is Getting New Content Featuring the Flood

gamerant.com:

Eight years after launch, 343 Industries appears to be preparing a new content drop for Halo: The Master Chief Collection. A screenshot posted on its official Twitter account features a UNSC soldier fighting off a group of Flood organisms, likely hinting at a new addition to Halo: ODST andHalo: Reach's «firefight» game mode.

Halo: The Master Chief Collection was first released in 2014 as an extensive collection of remasters for the acclaimed series. It provided visual, audio, multiplayer, and UI updates to the series, while also bringing the majority of the Halo franchise to PC in a later 2019 update. Since then, Halo: The Master Chief Collection has received multiple updates through its seasonal system, with each season accompanied by an assortment of small patches and cosmetic unlocks for Halo's multiplayer modes.

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Although the tweet from 343 Industries was cryptic, it's obvious from the included screenshot that the Flood will be the highlight of this content update. No release date was given other than «soon», so fans are left to speculate on exactly how soon they can expect to see what's in store. 343 Industries stated later that the update would «invalidate previous Theater films and mid-mission Campaign saves». Along with being a helpful warning for campaign players, it's also an indication that the update may impact the campaign in some way.

The Flood are a common enemy type in many Halo games, where players generally need to fight off massive hordes of the aptly named alien parasites. Due to their swarm tactics, it would make sense to include them in «firefight», a Halo game mode in which players fight off waves of enemies for as long as they can. This