Dr. Mario 64 Cheats (Nintendo 64)

Successfully complete story mode with Wario on the normal, hard, or super hard difficulty
setting without losing once. After defeating Rudy, you will battle Metal Mario. Defeat
him without losing to unlock Metal Mario in "VS." modes. Note: Using the "Redo"
option on the pause menu is counted as losing.

Successfully complete story mode with Dr. Mario on the normal, hard, or super hard
difficulty setting without losing once. After defeating Rudy, you will battle Vampire
Wario. Defeat him without losing to unlock Vampire Wario in "VS." modes. Note:
Using the "Redo" option on the pause menu is counted as losing.

Enter story mode and highlight the "Hard" selection. Press Z to change the difficulty
setting to "S.Hard".

Game Shark Codes

Note: You must have a 3.0 or higher version of the Game Shark
to use these codes.

At the character selection screen in "VS." mode, highlight a character. Hold L and press A
to increase the computer A.I. of that character one star to "Hard". Hold L and press B to
increase the computer A.I. of that character two stars to "S.Hard".