The Australian Classification Board has released a rating for Mega Man Legends 3 Prototype Version. While this is likely not the retail name of Mega Man Legends 3, it still brings up some questions as to what it represents. Under normal circumstances, game demos and beta releases don't need to be rated. There are, however, some exceptions to the rule. DISSIDIA Duodecim Prologus FINAL FANTASY, a paid demo of the recently released DISSIDIA 012 [duodecim] FINAL FANTASY, was subject to classification in all regions. While it hasn't been confirmed why that demo was rated, it should be noted that Prologus was basically its own tiny game. Could this mean Prototype Version is going to be a milestone intermediate release before the real game comes out? Time will tell. One thing is for sure: This seems reminiscent of Mega Man NEO.
Update: It seems this might be tied to whatever interesting plot Capcom is planning prior to the retail release. Stay tuned!