Virtua Cop 2 (DC)

Big head mode:
Beat the game on the easy difficulty setting.
Then, press X, A, Y, B, B, B, Up, Up, Up, Up, Up on controller D
when the game returns to the "Press Start Button" screen.


Mirror mode:
Beat the game on the normal difficulty setting.
Then, press L, Left, L, Right, L, Down, L, Up, R, Left, R,
Right, R, Down, R, Up on controller D when the game returns to the "Press Start Button" screen.


Random mode:
Beat the game on the hard difficulty setting.
Then, press B, Left, X, Y, X, Y, B, A, B, A, Right, Left, Right,
Left on controller D when the game returns to "Press Start Button" screen.