As part of the latest Xbox Update Preview, Xbox Insiders on PC can now preview mouse and keyboard support while playing cloud games in the Xbox App and supported browsers (Edge and Chrome). At the moment there are 14 games supported. Here's the full rundown:
Currently supported titles and any known issues are below:
- Fortnite (browsers only)
- ARK: Survival Evolved
- Sea Of Thieves
- Grounded
- Halo Infinite
- Atomic Heart (known Issue: There is some difficulty switching between gamepad (controller) and Mouse and Keyboard while streaming game)
- Sniper Elite 5
- Deep Rock Galactic
- High On Life
- Zombie Army 4: Dead War
- Gears Tactics
- Pentiment
- DOOM 64
- Age of Empires 2
Xbox has shared some other details - noting how some games will adapt to mouse and keyboard input when the player interacts with the game. On browsers, the game also needs to be in full screen to work with mouse and keyboard. You can learn more on Xbox's website.