Kroumble is a legacy player of the Mega Man RPG Prototype with a current battle point total of 223,750 and a zenny total of 4. Kroumble created his account on or before November 21st, 2012 and has since unlocked 4 robot masters and learned 6 special abilities. Kroumble's most-used robot masters are Mega Man, Cut Man, Time Man, and Proto Man.

Prior to the battle point reboot of 2019, Kroumble had amassed a grand total of 3,235 battle points and reached 3211th place.