First players to reach X total XP:

100,000,000	Hooopluh	December 22, 2017	See rest
200,000,000	Hooopluh	January 29, 2020	See rest
300,000,000	Hooopluh	March 1, 2021	See rest
400,000,000	Hooopluh	March 28, 2024	See rest
500,000,000	TBD		See rest