First players to reach X total XP:

100,000,000	Freshly	January 10, 2017	See rest
200,000,000	Freshly	June 8, 2017	See rest
300,000,000	Freshly	January 5, 2018	See rest
400,000,000	Freshly	December 9, 2019	See rest
500,000,000	TBD		See rest