Device M4 is a legacy player of the Mega Man RPG Prototype with a current battle point total of 211,050 and a zenny total of 8. Device M4 created his account on June 12th, 2015 and has since unlocked 3 robot masters, learned 6 special abilities, and found 2 different inventory items. Device M4's most-used robot masters are Mega Man and Roll.

Prior to the battle point reboot of 2019, Device M4 had amassed a grand total of 17,101 battle points and reached 2639th place.