First players to reach X total XP:

100,000,000	Dwugz	November 8, 2015	See rest
200,000,000	Dwugz	November 24, 2015	See rest
300,000,000	Dwugz	January 7, 2017	See rest
400,000,000	Dwugz	September 28, 2021	See rest
500,000,000	TBD		See rest