This page contains Super Nova Codes for Super Nintendo called "Boss endurance mode" and has been posted or updated on Sep 7, 2006 by kata1mata1. Let us know what you think of this Code by thumbs voting.
Boss endurance mode
Press Down, X, Up, B, L, R, Left, A on controller two at the logo screen. A sound will confirm correct code entry. The text "Boss Endurance Mode" will appear when game play begins. In this mode, every Boss will be fought in order.
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