Dr. Mario 64 Cheats For Nintendo 64

1. Increase Computer Difficulty

   When selecting a computer opponent in Vs. Computer mode, hold the L button and press A to make his difficulty one star harder (the equivalent of Hard level).
   
   By holding L and pressing B, the computer player's difficulty increases two stars (the equivalent of S-Hard level).

   Contributed by: ElementalKnight 

2. Unlock Vampire Wario

   To unlock Vampire Wario as a playable character in Versus mode, complete Story mode on Normal or higher difficulty using Dr. Mario, but without losing a single time.

   Contributed by: ElementalKnight 

3. S-Hard Difficulty

   To open up S-Hard difficulty in Story mode, highlight Hard and press the Z button. Pressing the Z button again switches it back to Hard.

   Contributed by: ElementalKnight 

4. More Viruses

   To get more Viruses, Press L or R in marathon mode to increase the number of viruses.

   Contributed by: MATT GRAM 

5. Unlockable Multi-player characters

   Unlockable	Unlockable
   Complete Story mode on Normal or higher difficulty using Wario, but without losing a single time.	Metal Mario

   Contributed by: Starky27 

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