First players to reach X total XP:

100,000,000	Crougz	May 1, 2016	See rest
200,000,000	Crougz	January 27, 2017	See rest
300,000,000	Crougz	August 12, 2017	See rest
400,000,000	Crougz	December 26, 2017	See rest
500,000,000	TBD		See rest