It may not be Mega Man Legends 3, but it is a cute fan-made Mega Man Legends 3 inspired game.
The game’s creator, Servbot #303 a.k.a. Press Start, also created another two Mega Man Legends 3 inspired games that you can find here.
never played any mega man. did 50 points at first try.
PStart is one brilliant individual. Love these games. Thanks for posting!