This page contains Silpheed Codes for Sega CD called "Mania mode" and has been posted or updated on Aug 29, 2006 by bklynjets. Let us know what you think of this Code by thumbs voting.
Press B(2), A, C, Up, Left, Right, Down, Up, A on controller two during the introduction sequence, then press Start on controller one. The score will be set to "00001" when game play begins to confirm correct code entry. This mode is more difficult than the "Hard Rank" setting. This mode can be canceled by entering the option screen.
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