First players to reach X total XP:

100,000,000	Seashanty	May 5, 2018	See rest
200,000,000	Seashanty	February 28, 2019	See rest
300,000,000	Seashanty	August 6, 2019	See rest
400,000,000	Seashanty	August 25, 2021	See rest
500,000,000	TBD		See rest