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.
Unlockable Multi-player characters
Unlockable How to Unlock Metal Mario Complete Story mode on Normal or higher difficulty using Wario, but without losing a single time.
Contributed By: Starky27.
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).
To get more Viruses, Press L or R in marathon mode to increase the number of viruses.
Contributed By: MATT GRAM.
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.
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