-Mega Man Select-

Choose Magnet Man's stage - Equip Buster, and any unlocked weapons and/or unused E tanks gathered from the Robot Masters stage. (If you have already defeated Magnet Man, there are no tanks in this stage, Magnet Beam is acquired from defeating the boss alongside Magnet Missile, it is not a hidden secret.)

527154 - Select Hard Man (MM Select Robot Master Stage + E Tank)
527155 - Select Pharaoh Man - (MM Select Robot Master Stage)
527156 - Select Crash Man - (MM Select Robot Master Stage)
527084 - Select Ice Man - (MM Select Robot Master Stage + M Tank)
189292 - Select Metal Man - (MM Select Robot Master Stage +E tank)
527089 - Select Plant Man - (MM Select Robot Master Stage)
192748 - Select Magnet Man - (MM Select Robot Master Stage + Magnet Beam)
192749 - Select Stone Man - (MM Select Robot Master Stage + Item 2)

----------After Defeating All Robot Master Stages, Proceed to Wily 1 and clear stages in order--------
527206 - Select Wily 1 (MM Select Wily)
527170 - Select Wily 2 (MM Select Wily)
190156 - Select Wily 3 (MM Select Wily)
527405 - Select Wily 4 (MM Select Boss Rush + Final Battle)