Original mode, play as Cynthia
Successfully complete the game to access to the "Original" selection on the "Game Mode" screen and to select Cynthia on the character selection screen.
Successfully complete the game with an IQ score of over 100.
Successfully complete the game with Morgan with an IQ score of over 400.
Remain in survival mode with Eliot for at least fifteen minutes.
Successfully complete the game with April with an IQ score of over 150.
Remain in survival mode for at least ten minutes.
Successfully complete the game with Morgan with an IQ score of over 300.
Successfully complete the game with Dickson with an IQ score of over 200.
Successfully complete the game as Cynthia with an IQ of over 400. Alternatively, complete all 100 stages under "100 Attack" mode.
Select the "Rules" option, and highlight the Demo 1, Demo 2, or Demo 3 selection. Hold L1 + R1 and press X to begin game play in the selected demo level.
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