Bowser battle
Select the "Continue Search" option at the title screen. Seven spheres will appear. Enter ZPF*M86 as a password to reach Bowser, the final Boss. To view the ending sequence, the Boss` head six times. Leave through the door that the Boss used to enter, then find and free Mario to complete the game.
Roy battle
Enter JPF13HT as a password to advance to face Roy, the last Koopa. Hit him six times to reach Bowser.
Room Codes
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Door|First room|Second room|Third room
First door|PVV23CZ|CX746YF|DWV6P78
Second door|FCBSB6W|NBGR6CF|PCD1384
Third door|YHYAMLZ|XIKRN4X|DJ49LZ3
Fourth door|Y4MOPFW|X**KLDK|D9FKPTR
Fifth door|G5F96CX|S48O5N4|TTMGMQM
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