First players to reach X total XP:

100,000,000	Afroluffy	August 10, 2015	See rest
200,000,000	Afroluffy	August 10, 2015	See rest
300,000,000	Afroluffy	December 3, 2015	See rest
400,000,000	Afroluffy	June 27, 2017	See rest
500,000,000	TBD		See rest