These include Obsidian, Ninja Theory, 343 Industries, and more, so in other words, we can expect Halo Infinite at the very least and possibly updates on Avowed, The Outer Worlds 2, and more.
Xbox hasn't indicated how long each studio will have during the showcase, or even how long the showcase is, but it's essentially E3 2021 part two.
Here's everything we know about the Xbox Games Extended Showcase 2021.
Read more: Microsoft just dropped its best E3 in years
Xbox Extended Games Showcase Start Time
The showcase starts June 17 at 1 p.m. EST/6 p.m. BST and is hosted by Kinda Funny's Parris Lilly.
How to Watch Xbox Extended Games Showcase
You can watch the showcase on the official Xbox YouTube channel.
As yet, Xbox doesn't have a placeholder video on Twitch, though it will be streamed on Twitch as well.
Xbox Extended Games Showcase Reveals
The showcase is a chance for hosts to speak with developers, so this will likely be more of a deep-dive into projects still in development and not a major reveal showcase.
Here's what we could see: