All the wild facts we learned about 'Doom Eternal' from the QuakeCon reveal

Doom Eternal is back with fresh news out of QuakeCon 2018 coming after a completely unfulfilling tease at E3.
The upcoming game is a sequel to id Software's 2016 series revivalDoom is a reboot of the original first-person shooter, both of them following an anonymous space marine's bloody assault on the forces of Hell as they invade Mars.
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You know, that old chestnut.
The upcoming sequel revisits the events of Doom 2, w