Mr. Do! Cheats
Mr. Do! cheat codes, tricks, hints, and walk throughs.
99 Lives
To start the game with 99 lives, press Left nine times on the Universal screen.Change the Name of the Game
To change the name of the game to "Mr. Du!", press Up nine times on the Universal screen.Stage Select
To enable the stage select mode, press Down nine times on the Universal screen. Press Left or Right to choose a specific stage, then Start to begin.
