CheatCodes.com: Hints and Tips for Dr. Mario for Game Boy

Bonus Objects
Play virus levels 5, 10, or 15 at medium or high speeds. Wait at the intermission screen that features three viruses in a tree. A bonus object will appear at the top of the screen. A different object will appear depending on which level and speed is currently being played. After completing level 20 on medium or high speed, an object will fly above the little viruses on the tree.
Submitted by: CheatMan Added: 06 Apr 2003	Report this Hint as: An Unlockable \| Broken

Dr. Mario for Game Boy Hints and Tips