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GameRadar has 1 cheats, tips, hints, unlockables, and FAQs for Dr. Mario for Game Boy.
Visit CheatCodes.com for more Dr. Mario cheats, or to submit your own cheat codes, hints, unlockables, or FAQs 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.
