Play as Spike
Successfully complete the game as Cynthia with an IQ of over 400. Alternatively, complete all 100 stages under "100 Attack" mode.

Play as Dickson
Successfully complete the game with April with an IQ score of over 150.

Play as Kimti
Successfully complete the game with Morgan with an IQ score of over 300.

Play demo levels
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.

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.

Play as Eliot
Remain in survival mode for at least ten minutes.

Play as Cherry
Remain in survival mode with Eliot for at least fifteen minutes.

Play as April
Successfully complete the game with an IQ score of over 100.

Play as Morgan
Successfully complete the game with Dickson with an IQ score of over 200.

Play as Atlas
Successfully complete the game with Morgan with an IQ score of over 400.