Action Replay Codes [US]

The following are known Action Replay Codes for Dr. Mario 64 on Nintendo 64 (N64).

Device Compatibility: Action Replay & GameShark

Enable Code
f100d2e02400

Max Score
81123700e0ff
8112370005f5

Virus Level Modifier
8012372600xx
Replace xx with:

Stop Timer
8105b3a60000

Character Modifier
8012e23700xx
8012e23b00xx

Dr. Mario
01

Wario
02

Spearhead
03

Webber
04

Silky
05

Appleby
06

Jellybob
07

Octo
08

Helio
09

Lump
0a

Hammer-Bot
0b

Mad Scienstein
0c

Rudy
0d

Metal Dr. Mario
0e

Cheats, Secrets, Tips & Tricks

Play as Metal Mario
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.

Play as Vampire Wario
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.

Change Computer Difficulty
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”.

Super Hard Mode
Enter story mode and highlight the “Hard” selection. Press Z to change the difficulty setting to “S.Hard”.