1.
fall-guys Fall Guys Epic Games

2.
fortnite Fortnite Epic Games

3.
call-of-duty-modern-warfarewarzone Call of Duty: Modern Warfare/Warzone Activision

4.
minecraft Minecraft Mojang Studios

5.
grand-theft-auto-v Grand Theft Auto V Rockstar Games

https://newzoo.com/insights/rankings/top-xbox-games-series-s-x-global