Officially the highest GamerScore on Xbox - Imgur

Xbox player achieves 1 million Gamerscore

Got mine in, only took a few hours with some game pass games and guides! : r/MicrosoftRewards

Xbox One X Will Have a Unique Boot Up Animation

Xbox One will soon let you view the Gamerscore Leaderboard from a specific month - MSPoweruser

Paid Service - Xbox One Achievements and Gamerscore

Ray broke 500,000 Gamerscore on his Twitch Stream : r/roosterteeth

Who at Xbox is responsible for this?

The Gamerscore League Hall of Fame - Gamerscore League

The Journey to 1 Million Gamerscore is Complete! - The 1,000,000+ Club

RedmptionDenied's TrueAchievements Blog

Stealth patching with ABGX360 [updated 2022], Page 3

CG] Advanced Troll Detection Used By Xbox One

Finally a member of the 100k Gamerscore Club! : r/xbox