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Some shadow warrior clone with hook like in Sekiro, in-engine
Dirt 5 - in engine

SCORN ? Looks like Aliens ripoff built around the Prometheus timeline - in-engine. Seriously for the majority of trailer it looked like Aliens IP.
CHORVS Rise as One - in-engine, looks like space-shooter, coming 2021
Madden 21 - probably same assets as from 20 so nothing new apart from "optimized for series X"

Vampire The Masquarade: Bloodline - in-engine "footage representative of Series X console"
Call of the Sea - looks like a mix of Sea of Thieves
Cyberpunk 2077... nope it's The Ascent - bit like Ruiner mixed with Cyberpunk
Something that looks like it's set in Cracow, Poland - The Medium - psychological horror game, by Polish studio in cooperation with music composer from Silent Hill.

Scarlet Nexus - some anime beat em up / jRPG from Bandai Namco, footage representative of expected series x gameplay, powered by Unreal Engine
Second Extinction - 4 player coop with dinosaur invasion? Again, in-engine
YAKUZA Like a Dragon - F* Yeah, "Xbox Series X launch slate" plus Xbox One and Windows 10

AC: Valhalla - in-engine, footage representative of series x gameplay. "Directly from the game" footage so probably just a PC. Now you have a crow instead of a falcon (?). Set in England. "Incredibly fast loading times"